A1 Evo

[@ManCaveAudio]

Hi, OCA, this nothing against what you have done and shared with all of us and today what ever I have learnt in Audio, is most because of you and hope this journey will continue with all your great support. I can only say THANK YOU VERY MUCH ❤ and sorry if I ever bothering to you with stupid questions, arguments and expectations 🙏

[@ocaudiophile]

Wow, thank you

[@burtonscustom]

The subwoofer integration is perfect. You continue to provide improvements that make my unchanged system continue to surprise me with what its capable of. Less time tinkering and more family enjoyment because of your work and providing it to the community. Thank you again for your work.

[@ocaudiophile]

🙏

[@johnotoole2617]

Huge Thanks! I still can't believe you are doing this for nothing. Your passion and determination really come across in your Videos. I can only imagine developing a script like this demands constant work. But your gift to the HT world is immeasurable. Couple of pints of Guinness on me 👍

[@ocaudiophile]

My pleasure and Cheers!

[@WAV-TheOldAudioFile]

Thanks for all your help, OCA - not just the tool itself but your engagement with the community and willingness to update and communicate!

[@ocaudiophile]

Thank you, much appreciated!

[@ocaudiophile]

A1 Evo v1.5 is released today (18 Jun 2024). It will work with REW Beta 33 or above (download links for Windows/Mac in the script). Here are the list of changes/updates: • Audyssey auto-leveling compensation (also included in the Dynamic EQ mode calibration) for both subwoofers and speakers. • Improved reflection detection and time alignment of speaker impulse responses • Updated crossover calculation methodology to eliminate bass dips more efficiently • Fixed a bug in speaker polarity detection • Minor user interface improvements OCA

[@kevinmastah]

amazing TY

[@andrewlee7228]

"23:18:58 [IMPORTANT!] Speaker TFL 'might' be out of phase, please check and switch its polarity if its wiring is incorrect! 23:18:59 [IMPORTANT!] Speaker TRR 'might' be out of phase, please check and switch its polarity if its wiring is incorrect!" still getting polarity error messages

[@navidmahmood876]

@@andrewlee7228 some speakers are designed in a way that they measure as out of phase. my svs towers do this and it is by design. look at that log message as more of a "hey are you sure your speakers are wired correctly?". if yes just ignore it

[@spatel30]

Hi OCA, A1 Evo is fantastics. This is the first time I have not checked the graphs after doing a calibration. The system sounds so good, I didn't bother checking how the responses are on the graph. Having said that, I tired ady calibrated with v1.3 and v1.5. My observation.....Not sure why, but my system sounds more open/ airy and punchy with v1.0 than v1.3/ v1.5. I prefer the sound with v1.0 than v1.3 and v1.5

[@JRnumerouno]

@ocaudiophile. Another success. I believe the reflection detection is working as the sound has more presence. And soundstage is a bit bigger. Not sure how it can get much bigger at this point! TY again 🎉😊

[@HomeTheaterCommish]

Can we as a community appreciate the work and process created by OCA. I just wish to make his work clear, follow his instructions, don't think about other optimization processes you have done before. Do not attempt to combine optimization processes. We only have one job, the A1 EVO method. After we run thru his process, perhaps share buggy issues, then you can go ahead and tinker to your hearts desire. If hobbyists here start branching methods, OCA will be inundated with help requests and at times irrelevant issues. Let;s stay on point, if it works for you, great. Send him his KUDOS or donations. If it doesn't, report findings, and see if there will be an update. I love the tinkering, so I enjoy the whole process, and if not, I reapply my old settings. Thank you Mr OCA, the FORCE is strong in you.

[@ocaudiophile]

👏👏👏

[@vijaykumar-ko6zl]

Thank you, OCA, for all the hard work behind Evo, creating such a powerful tool to transform the home theater experience. I look forward to seeing this tool become even more powerful in future releases.

[@ocaudiophile]

Cheers!

[@kcurtiss]

You've revolutionized home theater. My speakers sound better than ever. Thanks for everything you do!

[@ocaudiophile]

Wow, thanks!

[@ocaudiophile]

A1 Evo v1.4 has been released (download link is in the description). It will work with REW Beta 33 and above (download links for Windows/Mac in the script). Here is the list of changes/updates: Crossover and Volume Corrections: • Receiver models lacking 180Hz crossover frequency specification will no longer be assigned 180Hz crossover frequency • Volume disparities between measurements, stemming from an Android Editor app bug, have been rectified. Users will be alerted if their existing measurements show this issue • Large / Full range speakers are crossed over at 80Hz (THX standard) due to the absence of 'Bass extraction LPF' setting in all bar the newest AVR models for “LFE + Main” mode Alignment and Consistency: • Impulse/phase alignment results will correctly report when the required delay exceeds limits, instead of suggesting 0ms delay • Speaker time alignment margins have been further tightened • A minor crossover calculation bug has been fixed, though it's not expected to alter previously calculated crossover frequencies significantly New Features: • Implemented speaker out-of-phase detection • A center speaker is no longer required for Evo to optimize a calibration • The subwoofer volume is now automatically adjusted based on the target curve, replacing the post-v1.1 ‘subOffset’ variable • If filter frequency range is extended (not recommended!) beyond 225Hz, variable smoothing is applied to the speaker response before generating filters Performance and Stability: • All runs with the same calibration file are now expected to produce identical results • Improved API fetching techniques, coupled with REW Beta 32 updates, contribute to faster overall script execution • A1 Evo is now hosted in a dedicated folder with a persistent link across updates and links in descriptions in all languages will always work UI Enhancements: • The "Start optimization" button remains disabled until all measurements are imported and/or number of measurements loaded in REW match calibration file data • Users can now add a missing target curve to REW and resume the script without restarting • REW will accurately display expected individual channel outputs after applied crossovers along with the optimization target Enjoy!

[@agranadosg]

Thank you very much, master!!!

[@johnotoole2617]

Whoah, You have certainly lit up the audio side of the internet with all this. Won't be able to try it until Monday. Father's day here tomorrow. But looking forward to trying it out. Huge thanks for your generosity and hard work.

[@10bubu10]

Link ?

[@MiG-40i]

that is a huge list... amazing 👏👏👏

[@navidmahmood876]

Great work on getting John to push beta 33 out! 32 completely broke things when I was trying it out earlier this morning lol

[@georgigeorgiev275]

'Thank you' isn't enough to express my gratitude for all your efforts in creating sound we could never have imagined. The world would be a much better place with more people like you.

[@lucasbo-b5b]

You are the best! This does much more than any other tweak I've done in my home cinema. I enjoy movies 10x as much as before and am beyond grateful. I enjoyed testing along all of the A1 development. Keep up the good work, Serko!

[@ocaudiophile]

Wow, thanks!

[@Peeties]

Goodmorning Serko yesterday evening i could do with my Macbook Pro two calibrations one OCA target curve one Dolby Atmos Target curve, with your script and get two results with a normal distance for the Subwoofer no longer zero, important was to restart the Macbook, before restart the second one was again zero, the sound is fine, thank you very much for your great and intensive work Peter

[@fiifxu]

Tried it with my 3.2 system. Sound stage has became much more live,clear, open and realistic. Bass is good since it chose to set up my speakers to Full band. Now i can clearly hear how a 15k euros system sound like 🤩 Thank you hardly captures the depth of my appreciation.

[@ocaudiophile]

🙏

[@carltonmann3563]

Thanks! I've used Audyssey for years and it never sounded "right". A1 Evo gets it right. Oh, the bass.

[@ocaudiophile]

You're welcome!

[@bogdanpatrascu8780]

Thanks for the amazing work you do and for keeping us busy tweaking the sound😃

[@ocaudiophile]

My pleasure!

[@Kevin-fh7yq]

Thank you Serkan for all the work you've put in to A1 Evo. This really is THE way to get the best sound out of one's HT system, and that at minimal cost ($20/€20 for the MultEQ app).

[@ocaudiophile]

Glad you enjoy it!

[@p1001548]

Thanks, hands down the best upgrade I have ever done to a system. My overheads sing and my subs now get a work out. Thank you so much!

[@ocaudiophile]

Enjoy!

[@DigitalKirkley]

v3x is stunning and congratulations on another fantastically exceptional release, you have nailed it again! It sure is the most impressive version yet. I have presets 1 (All script defaults - LFE+Main / Front large / Bass extraction 90) and preset 2 (Forced centre enabled / LFE). These will be swapped from time to time, to really allow me to get a sense of sound for each one as Preset 1 (LEF+Mains/Front Large etc) fits nice with wider types of sound sources and works very very well. I don’t think I can categorically say right now which is preference, I think this will come with a little time and also allow me to get feedback from the rest of the family. Maybe Preset 2 forced centre with front speakers large MAY edge it for me personally? The dialogue/vocals are first class. What I can say is right now with 3x I don’t need centre channel level increase and/or dialogue enhancer enabled. Only DV light enabled and this is for both Preset 1 and Preset 2. The master file version can be played louder (VD Light) without it becoming too overwhelming; which is ideal. Overall the bass balance, precision, detail and clarity is first class! What I have done and again the jury is out, was change the end frequency from 250hz to 380hz with a boost of 2. This feels very natural and seems to bring it in with the centre channel. Anything above 400/500 seems too constrained and less natural. So movies in summary: Quiet Place 2 - Trip wire scene through to the circular hatch door - Sound of wire recoil, gun shot echo is heard all around when the guy is watching through the scope of his gun (Never heard this before!) is incredible, his breathing is also far more obvious (When he is watching through scope) and then the detail throughout that scene as they are chased is just amazing. Exceptional in fact! Wonderful balance Barbie - Early at the start in the scene when she comes off the slide, the high vocals are clearer throughout including the backing singers which seem perfect. Dialogue is also wonderful, very clear, less boxy or thin and provides a more natural effortless open listening experience. It sparkles! Baby Driver - Car being crushed scene (34mins 10secs) when he puts music on ipod - sounds again so natural and effortless; lovely! The bass is perfect, instruments are crystal clear, vocals are crystal clear which can also be said for when scene transitions into the cafe Ready player 1 - car chase scene near the start, when he hits button/under side of car roof with hand (More detail in this now!), the coins are all so clean/clear and just generally wonderful detail and very dynamic and tight bass. The Atmos height effects have far more bass, especially kong jumping around really demonstrates this! This is the best I have heard this scene. Again as this scene m oves into the workshop, vocals are exceptional. I could argue that adjust in end frequency to 380 might have made this! (End frequency will be something I continue to play with but going up to 500/1000 didn’t do it for me, it had the opposite effect of allowing the speakers to do their thing) Fall Guy, the dialogue is superb. I repeatedly listened to the split screen chat scene and overall was exceptional. I might argue here that force centre Preset 2 may (I Mean may - its really difficult to compare) just edge it; again we are into finer detail but which ever version it is great. Finally, as noted elsewhere, the sub inversion might not necessarily need to be changed from 0 to 180. If anyone wants to test this theory, try Baby Driver from 34mins 10secs and try switching. I am hoping you will find the obvious setting, I definitely did. Thank you once again for all your wonderful work, passion, expertise and inspiring new and existing audio enthusiasts alike. Please never stop doing what you are doing and keep challenging/exploring theories; there is no such thing as perfection right? We are still looking for it right!? As always, very much appreciated Paul Kirkley

[@ocaudiophile]

Thank you Paul for the gesture and your superbly detailed and very helpful feedback. Least I can do for such a wonderful community of enthusiasts!

[@rafacq]

We just got back from our 2,400 mile trip from Oregon to Dallas via Montana and Wyoming. Unloaded the car, still haven’t unpacked, but could not go to bed without downloading and installing 2.3x! I’m totally speechless! OMG! This is unbelievable. Something that was amazing, just got better! Unreal! No errors during processing. Downloaded 2.3x. Installed REW 36 beta. Used the TargetCurve OCA, and the script did its magic. My Marantz SR8015, EMOTIVA XPA-3 Gen 3, Eversolo DMP-A6 and Martin Logan Motion 60XTi are sounding like systems costing 3-4 times more! What a talent! Thank you for taking my system to another level. When I thought it was great, it just got even better! No words to express my satisfaction and happiness with the EVO 2.3x results. Amazing!

[@burtonscustom]

Thank you again for your continued support. The hits keep on coming! A1 Evo finally brought my subs to life (DN15 + DN12) and achieve what I was always hoping they could. This is sound I have never been able to achieve without you.

[@ocaudiophile]

Nice work!

[@stevela6481]

Just like to say a big thanks for all the work you have done on 1.4. With the new warnings I‘ve been able to correct my subs. I’m so grateful to you for making my Home Cinema so much better and without all your work I would never have what I hear now. ❤

[@ocaudiophile]

Happy to have helped!

[@1514134]

Thank you Serkan, for all the hours you invest for us, to get the best out of our system. Offering this for free is truly generous of you and highly appreciated!

[@ocaudiophile]

I appreciate that! Many thanks.

[@X1238-u1v]

Your work has surpassed the most expensive calibration software, thank you from the bottom of my heart.

[@ocaudiophile]

Great to hear!

[@abdo-dr1tu]

Your work on subwoofer alignment and excess phase calculation is revolutionary! thank you so much for your hard work! I wish we could still have PEQ filters somewhere incorporated before the optimization but raising the limit to something like 500 Hz should fix most issues for most people including myself.

[@ocaudiophile]

Thank you very much!

[@miguelmedinaramos]

I'm still fine-tuning my system, but the results are the best ever! Your dedication and enthusiasm in supporting the audiophile community is impressive and admirable. I know it's not money that moves you, but let me just buy you a beer! 😁

[@ocaudiophile]

Cheers then!

[@elboogz]

Big massive thanks for all the hard work you continue to put into this, and very much looking forward to where the next iteration in Evo 1.4 takes us! 😁

[@ocaudiophile]

Much appreciated!

[@ocaudiophile]

A1 Evo v3z released today (28 July 2024)... Hey there, audio enthusiasts! OCA here, bringing you some seriously cool updates to A1 Evo v3x. Ready to geek out? Let's dive in! Compatibility: • Make sure you're rocking REW Beta version 43 or above for the best results. Seriously, avoid 42 and earlier betas like the plague. Key Updates: 1. New Customization Option: o Say hello to the "Force first microphone position" setting (default is now, wait for it: OFF). Turn it on to channel your inner control freak and use only the first mic position for calculations. Leave it off, and let the new averaging method work its magic, assigning different weights to mic positions based on their distance from the MLP. It’s a sluggish process but better sound for bigger spaces is guaranteed. Boom! 2. Subwoofer LPF Tweaks: o Got one or three subwoofers (or a forced capped LPF)? I've bumped up the bass extraction range to 110-120Hz (from 80-90Hz). More bass, less localization. Your neighbors will love it. Or not. 3. Time Alignment Improvements: o The speaker/subwoofer time alignment method just got a PhD. It's now handling even the trickiest measurements with pinpoint accuracy. Plus, the script’s got a keen eye for sketchy measurements, especially if your mic positions are too far apart (over 1.2m by default, but you can tweak this with “maxMicDistance” in the script). 4. Preamplifier Detection: o The anti-reference curve is now a preamp whisperer, recognizing even the new AV10. No extra bass boost needed because preamps already rock a flat response down to 20Hz. Science! Final Thoughts: Remember, the default settings are already pretty rad for most setups. No need to tweak unless you're on a quest for audio perfection! Enjoy the enhanced audio experience, folks! Best, OCA P.S. Your ears are in for a treat! 🎧🔊 Important: Option tick boxes were not functioning correctly in some browsers depending on when they were selected. It's been fixed with a silent update @ 10:45 Central European Time on 30 Jul 2024 Please also note that ConvertStandard2Directional.html script was not working correctly and was fixed on 28 Jul 2024. Use this version if you want to adjust your dual subwoofers perfectly for older AVRs.

[@BuffSquadBigBenni]

Question regarding limitLPF = false (default). I have one virtual sub (four subs in each corner combined via minidsp and plugged into sub 1 into the receiver). AVR has no bass extraction LPF setting (older AVR). So Audyssey sees it as one sub, but in reality there are four - thus I don't want to limit LPF. What to do?

[@ocaudiophile]

You can "force small front speakers", sub lpf will be irrelevant without Large speakers and LFE + Main mode.

[@tbred85]

A1 Evo v3z best of the best. Thanks OCA 🥳

[@My_Private_Collection]

Die Dankbarkeit, Freude und allen voran die audiophile Erfüllung, die mir alle Generationen des Scriptes bereitet haben ist mit Worten kaum zu beschreiben!! Ich habe mit jeden Update mein Audiosystem neu erfahren und lieben gelent!! Unglaubliche arbeit, die Sie hier leisten!! Bin gespannt, wo die Reise noch hingeht =) DANKE (automatically translated)The gratitude, joy and above all the audiophile fulfillment that all generations of the script have given me can hardly be described in words!! With every update I have learned to experience and love my audio system a new!! Incredible work that you are doing here!! I am excited to see where the journey takes me =) THANK YOU

[@ocaudiophile]

Cheers!

[@ocaudiophile]

A1 Evo "maestro" released just now (31 July 2024 20:00 Central European Time) Release note: Only minor bug fixes and UI improvements Enjoy! OCA

[@agranadosg]

thanks !!!

[@johnotoole2617]

Just when you think good could not get better. Loving this journey. Next time you are in Ireland, pints of Guinness are on me 🙂

[@ocaudiophile]

I have missed Guinness. I think German beer is overrated!

[@anstra7028]

@@ocaudiophile Blasphemie! 😤🤣

[@timyutae2659]

this is it, this is no minor update.. the sound quality is substantially better than any other versions

[@sourabhk9]

I tried this today on my Marantz Cinema 50 and the results are phenomenal! The bass is more controlled and integrated with my Klipsch RP setup and it just seems my speakers can make sounds I never heard. The earlier Audessey XT32 I had was not bad but often the bass was boomy. This corrected everything and took my setup to the next level! Thank you so much for all the hard work you put into this.

[@Daro83]

The voices feel a bit muffled, but the details and clarity on the sound is miles better than the standard Audyseey calibration. Great work! :)

[@ocaudiophile]

Thank you!

[@SGTOldSchool96]

This is a game changer if you have a Marantz or Denon AVR! Not only is the in-room FR incredible, the crossover from the mains to my subs has never sounded so seemless. I've banged my head against a wall trying to get a minidsp and multiple subs to sound good with sub optimal results.

[@ocaudiophile]

🙏

[@SummitCenima]

This the least we can do in return to your great efforts 🌹

[@ocaudiophile]

You're the best!

[@jmikkila]

Appreciate the work! Thanks also for the continuous support of myself and the community!

[@ocaudiophile]

Any time!

[@andrewlee7228]

As said on AVS, knowing I can rely on this project helped my decision to replace my Anthem 1140 with a new Denon A1H. It definitely helped my 6500 compete with the Anthem, and has also saved me money on a dirac license or paying for a pro calibration

[@ocaudiophile]

Thank you, this is very kind of you.

[@burtonscustom]

My system continues to squeeze out additional performance with the same audyssey file and simply running it for 2 minutes through your automation. My graphs dont look amazing but the way it sounds, youd never know my subs dip at 60hz. Less time fixating on graphs and calibration and more time listening and enjoying my setup, I couldnt be happier and its all thanks to you. Thank you.

[@ocaudiophile]

This is the exact right thing to do.👏👏👏

[@TijmenJanssen]

what graphs? in the app? ignore them, because they are corrections, not the calculated response graph.

[@BiGnOsEQC]

Thanks! I feel like an additional donation is needed, as so much work has been done since the release of the original Audyssey One. Keep up the good work.

[@ocaudiophile]

Much appreciated!

[@ocaudiophile]

*The download link disappears from the video description in languages other than English because of some YT bug. I will add the link here and pin this comment. In the mean time, soon to be released Evo v1.4 will have fixes for most of your current problems and more. Sorry for this inconvenience! *Der Download-Link verschwindet aus der Videobeschreibung in anderen Sprachen als Englisch wegen eines YT-Bugs. Ich werde den Link hier hinzufügen und diesen Kommentar anheften. In der Zwischenzeit, bald veröffentlicht Evo v1.4 wird für die meisten Ihrer aktuellen Probleme und mehr behoben haben. Ich entschuldige mich für diese Unannehmlichkeiten. *El enlace de descarga desaparece de la descripción del vídeo en idiomas distintos del inglés debido a algún fallo de YT. Añadiré el enlace aquí y fijaré este comentario. Mientras tanto, Evo v1.4 se lanzará en breve y tendrá correcciones para la mayoría de los problemas actuales y más. Disculpad las molestias. *Il link per il download scompare dalla descrizione del video in lingue diverse dall'inglese a causa di un bug di YT. Aggiungerò il link qui e appunterò questo commento. Nel frattempo, Evo v1.4, di prossima uscita, conterrà le correzioni per la maggior parte dei problemi attuali e altro ancora. Ci scusiamo per l'inconveniente. *Le lien de téléchargement disparaît de la description de la vidéo dans les langues autres que l'anglais à cause d'un bug de YT. Je vais ajouter le lien ici et épingler ce commentaire. En attendant, la version 1.4 d'Evo, qui sortira bientôt, corrigera la plupart de vos problèmes actuels et bien d'autres encore. Désolé pour ce désagrément. *A ligação para descarregar desaparece da descrição do vídeo noutras línguas para além do inglês devido a um bug do YT. Vou adicionar o link aqui e fixar este comentário. Entretanto, o Evo v1.4, a ser lançado em breve, terá correcções para a maioria dos problemas actuais e muito mais. Peço desculpa pelo incómodo. Evo v1.3: drive.google.com/file/d/1JAuZsfuN1CyRSZ9q834k4GqDa6f0ztUz/view?usp=drive_link

[@CarlosGomez-THX_1138]

Thanks! Love that you shared your script.

[@ocaudiophile]

Man, you keep doing this! Many thanks....

[@KevinSmith-np8dc]

Thanks! Been a subscriber well before A1 and have always appreciated the your thought process and goal to improve. Keep up the journey! Thank you.

[@ocaudiophile]

Many thanks!

[@Justin-cf2to]

I tried this for the first time today and it is incredible. I cannot thank you OCA enough for all that you have done to help the audio/home theater community. This is better than anything we have to date. I hope that you continue your amazing work with this! Thank you! Thank you! Thank you!

[@TheFoxOfTime]

Thank you for your work and the script! This is a new level. Keep it up! 💪🏻

[@ocaudiophile]

🙏

[@AnselmFischer]

Vielen Dank! After 12 years of guessing which settings are right for my old avr, i finally have peace of mind thanks to you OCA. I was about to return my new x2800h because it sounded horrible, but then i discorvered your script and i am as happy as i can be! Only downside is, that i immediately hear when the sound tracks lack quality :P

[@ocaudiophile]

bitte schön!

[@ocaudiophile]

A1 Evo v2.1 is released today (22 Jun 2024). It’s been tested to work with REW Beta 33 - 35 List of changes/updates: • Fixed: Speaker measurements with large volume deviations produced by a buggy Editor app version were not being compensated correctly for some subwoofer measurements. • Fixed: Inverted polarity target tracking errors showed incorrect figures. • Crossover frequency determination AI has been polished. It’s not going to take as long now as Evo will not iterate through all possible frequencies. Also, less false “invert polarity of this speaker” flags expected. • A warning has been added for subwoofers not suitable by design (120Hz LPF) for small satellite speakers which need crossover frequencies above 120Hz. • Added an error log when distances between speakers/subwoofers are by default longer than the “6m” hardware limit as there’s no way to time align such set ups. Feel free to raise your concerns to Sound United if your room is really that large • Default Tukey 0.25 windowing has been replaced with Gaussian IR windowing for better ultra-low frequency accuracy. • Brute-force alignment search is now shown in the log, good luck with the new log lengths. • Minor UI adjustments Download link (also in the video description above): drive.google.com/drive/folders/1rfwzbnET3wYoSSgo-4LDRpKHVXwCYoMF?usp=sharing *There will not be any silent updates to v2.1. If need be, v2.2 will be released but I believe this one is finally here to stay... **I have a small favor to ask to help keep the video discoverable for others: Could you let the video play for a bit after downloading the script? KZbin ranks videos in searches based on their "average view duration," and this video currently has very low metrics due to repeated link downloads. Thanks, OCA

[@LordAvenger999]

You are a true beast! I am flabbergasted by your efficiency, tracking ability and skills. Well done OCA. Again, your big fan.

[@andrewlee7228]

First impressions from Matrix lobby shootout (must have watched it 10+ times in last fortnight), can hear audible improvement. Now to try Heat bank robbery I assume the below are nothing to worry about and are just indicating how far off the target db level it is? "19:23:57 [IMPORTANT!] Optimizing front mains (FL & FR) & subwoofer crossover frequency... 19:23:58 [INFORMATION] XO: 40Hz; Target tracking error: 5.38dB 19:23:59 [INFORMATION] XO: 60Hz; Target tracking error: 5.83dB 19:24:00 [INFORMATION] XO: 80Hz; Target tracking error: 6.19dB 19:24:01 [INFORMATION] XO: 90Hz; Target tracking error: 6.10dB 19:24:02 [INFORMATION] XO: 100Hz; Target tracking error: 5.93dB 19:24:03 [INFORMATION] XO: 110Hz; Target tracking error: 5.70dB 19:24:04 [INFORMATION] XO: 120Hz; Target tracking error: 5.51dB 19:24:06 [INFORMATION] XO: 150Hz; Target tracking error: 5.30dB 19:24:07 [INFORMATION] XO: 200Hz; Target tracking error: 5.55dB 19:24:08 [INFORMATION] XO: 250Hz; Target tracking error: 5.78dB"

[@XFUR]

The scripts stops with the following error in the console: Uncaught (in promise) TypeError: Assignment to constant variable. at aceXO (A1 Evo v2.0.html:1771:22) at async optimizeOCA (A1 Evo v2.0.html:534:2)

[@ocaudiophile]

@@andrewlee7228 These are just calculations to decide which crossover to choose for the speaker.

[@ocaudiophile]

@@XFUR Are you sure you didn't do something wrong because noone else has the problem, normally such an error would pop up for everyone. If in doubt share you ady file and I will have a look.

[@vijaybalasingam777]

Long time observer first time commenter. What you have done is mind blowing, taking weeks of painstaking diligence and turning it into a quick 10 mins process. The time you have saved us all is immeasurable. Question, my receiver has 2 sub outputs but I have 4 physical subs, how do i integrate a minidsp into this process?

[@CarlosGomez-THX_1138]

kzbin.info/www/bejne/eqDJhpx-r5x5q5Ysi=b3TDf9BPkTmyWRbl

[@CarlosGomez-THX_1138]

First connect one of the AVR sub outputs to MiniDSP2x4HD (IN1 or IN2), Set the GAIN on each sub to 12 o'clock, GAIN match each sub by putting your Microphone the same distance from the center of each sub, use REW to generate a signal and MiniDSP2x4HD to raise or lower the GAIN. To determine the best location for each of the subs place a sub at the MLP and using REW generate a signal and move the microphone around the room. That's how I did it.

[@ocaudiophile]

The "uber" thanks much appreciated! Plug all 4 subs in minidsp which Audyssey sees as SW1 connected to preout sub1. Run MSO on Minidsp with "NO" EQ filters, no allpass filters and a maximum delay limit of 5ms, inversion allowed. When finished run your Audyssey calibration and feed that ady file to Evo.

[@Yo.........]

@@ocaudiophile Hi OCA, what is MSO? there is a tutorial for it from your side? I'm struggling trying to align 2 subwoofers (one on the front, other on the back of my room), many thanks!

[@ocaudiophile]

@@Yo......... Multiple Subwoofer Optimizer. It's a free tool to do what you exactly need. You can find a good tutorial video about how to use it here on YT.

[@larry9079]

Thanks! Thank you, Sir, for your time and effort in getting the drums to sound awesome in my system again 😅😅 🥁

[@ocaudiophile]

My pleasure!

[@Jonathan-zf4id]

Hello OCA, once again thank you for this new version of your script which is wonderful. I have 2 questions: 1) in older versions the script asked for the distance from the center speaker, since v2 I believe, this is no longer the case but I've gotten into the habit of changing it manually, line 8768: dist = 2.75; is it a good thing to put my value or should I leave 2.75? 2) I have a denon 4700h so no “Bass extraction lpf” option; The result of the script below: 18:28:02 [IMPORTANT!] Final crossover frequencies (will be set automatically by A1 Evo): 18:28:02 [INFORMATION] Speaker C: 40Hz 18:28:02 [INFORMATION] Speaker FL: 'Large / Full range' 18:28:02 [INFORMATION] Speaker FR: 'Large / Full range' 18:28:02 [INFORMATION] Speaker SLA: 80Hz 18:28:02 [INFORMATION] Speaker SRA: 80Hz 18:28:02 [IMPORTANT!] The settings below should be manually applied in the receiver's set up menu: 18:28:02 [WARNING!] In older receivers, 'bass extraction lpf' can be set by the crossover frequency of the 'Large' speaker pair in 'LFE + Main' mode! I'd like to be sure I understand what I'm supposed to do, because I find it strange to change the crossover that's automatically calculated by your script. But maybe it's not possible for you to make a fully automated script because there are too many different AVR models. I did change the subwoofer mode to 'LFE + Main'. Should I change the crossover set automatically by your script? For me it's 90hz, and if so, should I just do it on the front speakers?

[@ocaudiophile]

That's not a crossover setting although in your AVR it's changed from there. WWhen fronts are set to Large and subwoofer mode is set to LFE+Main, front speaker crossover setting is in fact subwoofer lowpass filter setting so you should do that there. Center speaker is randomly chosen as 2.75 when it's not in the original calibration file. It has no importance, time differences between speakers are what the AVR checks but if you wanna see them accurate then edit the original calibration in the Editor, change centre speaker distance by 1 cm and save. Then the correct settings will show up in Evo.

[@Jonathan-zf4id]

@@ocaudiophile ok that's very clear, thank you for your quick reply and your great work.

[@游雋閎]

Thanks for all you have done! What a great job🎉 I have 2 question: 1. Is it possible to set different end frequency for each channel by modifying some code in the script? 2. Can I use audyssey web editor to modify the results of some channel? I have this question because I don't like the tone of a pair of my speakers. I'm thinking of adding some extra EQ for it. Full-range audyssey calibration fix this in some degree. However, I also know this may ruin the sound of other channels. Two possible solutions are in my mind: only apply full-range calibration to this channel, or add extra filters for it. Do you have any advice? I can read and modify the script by myself if needed. It will be good to have some clue before diving into It.😃

[@ocaudiophile]

Thanks, will be difficult to individually change filter range. Maybe generate two ady files with two different end frequencies and swap the relevant speakers' customTargetCurvePoints in the online json editor.

[@游雋閎]

@@ocaudiophile You are so smart! I like this solution. Thanks a lot again😄

[@coffeelover9032]

Thanks! Version 1.2 runs fine for me after correcting the equalizer model in REW (previously selected minidsp gives errors). Sound is even better as A1. Absolutely stunning!

[@ocaudiophile]

Thanks for the info!

[@EveryDayJay415]

Ok I got A1 EVO set up on a x1500 running a 4.4.2 and a x6700 with a 7.2.4. Wow! The separation is perfect. Imagining is sharper yet the sound stage seems larger. The bass really woke up on my smaller set up, the sub to main integration is spot on. My wife even noticed a difference without me even asking enough said 😂 The tonality could be a little better, I’m gonna mess around with magic beans and get a custom room curve. This is a huge leap from stock Audyssey. It would take hours and if not days/ weeks to top this manually IMHO If only this could be implemented in the AVRs from factory. But being around this community makes it more fun anyways! idk if OCA is a mad man or genius but he knows his stuff either way, Thanks for the hard work we all appreciate it!

[@krupkake1]

I'd love to hear how you're using Magic Beans in tandem with A1 Evo! Please update when you can!

[@ocaudiophile]

A1 Evo v1.6 is released today (18 Jun 2024). It’s been tested to work with REW Beta 33 - 35 Here are the list of changes/updates: • A fix that will solve subwoofer problems causing impulse and phase alignment ‘too large’ prompts, • Switched subwoofer polarities were not reflected to channel response graphs correctly showing non-existent dips and too many false speaker ‘out of phase’ prompts, • Minor user interface improvements Sorry for these frequent updates but it's getting better and more capable with each update powered by your invaluable comments and feedback! OCA Edit: Please download the script again if you did so before 21:00 CET A typo was causing freezes and is now fixed!

[@miguelmedinaramos]

Awesome! There's no words to put here except "there's no words" :D I've just tested the v1.6 and it stops at: 7:36:31 PM [INFORMATION] Generating expected final outputs for each channel... I'll try one more time to check it again

[@andrewlee7228]

@@miguelmedinaramos I am also getting a freeze at this point 19:45:27 [INFORMATION] Generating expected final outputs for each channel... This is my second attempt

[@miguelmedinaramos]

@@andrewlee7228 I'm trying with the REW 5_40_beta_33 instead of REW 5_40_beta_35

[@andrewlee7228]

@@miguelmedinaramos also using that version

[@ocaudiophile]

Try to work from a saved mdat file rather than dropped imports. It help REW speed things up. Let me know if the problem continues but I didn't change anything in these parts of the code relative to v1.5

[@mladia]

Thank you for being the best upgrade to Audyssey!

[@ocaudiophile]

Least I can do for such great subscribers!

[@aurelienduplan9139]

Thank you so much for your incredible work !!

[@ocaudiophile]

🙏

[@marqueztv_bcn]

A1 EVO 2.1 sounds beautifully, Serkan! Thank you very much for the tremendous effort you're doing with all the updates. You deserve a monument! :)

[@ocaudiophile]

My pleasure!

[@PumaFire]

This is the least we can do to support your outstanding work! You're helping a lot of people get the best out of their system. Tesekkürler Serko!

[@ocaudiophile]

🙏

[@brucemcgaughey6898]

You rock!!! Evo sounds amazing!!! Thank you!!!

[@ocaudiophile]

Thanks.

[@satii24]

Thanks OCA! You have made my system sound better than it ever has. I have two questions: The lpf for lfe in the bass setting (Denon x4700h) is set to 120hz, does this need to be changed if audyssey one evo says change bass extraction lpf to 110hz? Also, do you prefer the Dolby atmos studio layout or the Auro 3d layout for better height effects (7.2.4)? My ceiling is roughly 56” from ear level, and front stage is about 11ft away (150” projector screen). Rear surrounds are about 9ft back. Thanks again Thanks

[@ocaudiophile]

Thank you for your contribution. You should leave that lpf (LPF for LFE setting) at 120Hz unless Evo warned you that your subs are not suitable for small satellites (then you should set that at 250Hz). 110Hz subwoofer lpf is a different setting. It's called "bass extraction lpf" in the new models, in older models it's the front speaker crossover setting after you set sub mode to LFE + Main and set fronts to large.

[@satii24]

If we are running near field sub, is a1 evo still compatible?

[@ocaudiophile]

Probably, just run it and let me know how it sounds

[@satii24]

@@ocaudiophileit sounded good during movie scenes such as Ready Player One and Godzilla King of Monsters, not sure if I was listening to loudly but ears felt fatigued after

[@sterlingstevens152]

Awesome work! Truly appreciate all your time and efforts to help us all enjoy our systems more! Sounds incredible with 2.2, but I did notice a slight decrease with bass, can we increase the sub level slightly or would it throw-off the entire process?

[@ocaudiophile]

Much appreciated!

[@isak6626]

Thanks again for all your work! Question / thoughts on the DEQ compensation. My understanding is that you decided on a way to "correct for" DEQ that makes DEQ inactive at -30 dB (AVR volume). However, I wonder: Did you then also incorporate additional equal-loudness contour compensation to accomodate for the fact that you are already below reference level at -30 dB? If not, I would personally have liked a compensation that just corrects for the surround/height boost that Audyssey normally does so that DEQ works just as it normally would (being inactive when the AVR volume is set to 0 dB). On that note, the levels for surrounds and heights are the same in the two .ady files, so how do you compensate for the surround/height boost that Audyssey normally does with DEQ on? And finally, it there a good way to remove the surround/height boost from the non-DEQ .ady file that A1 EVO produces if I'd like to have DEQ work as it normally would but without the surround/height boost? Thanks in advance!

[@ocaudiophile]

Thanks for the gesture! Audyssey sweeps during calibration are generated at 75dB, then Evo optimizes everything for that level to your desired target curve settings at 75dB. That means, at that level no equal loudness compensation should be added or subtracted form the system. deq optimized ady file is doing just that, negating everything DEQ does normally at 75dB to null including the surround and height boosts. You should be getting identical sound curves with both ady files at 75dB (-30 volume level). Now, above this volume, bass and treble will be dimmed up to 0 volume level by DEQ and below this level they will be boosted which is much closer to ideal equal loudness compensation than normal DEQ would do as nobody really listens to their system at 0dB reference. Having said that, the level DEQ is negated may need some optimization based on user feed back as also no body really listenes at -30dB either. This will be an update in the future I guess once people get familiar with their new sound. I also coudln't measure since I don't have them nor could find from anyone measurements of what DEQ does to front wide and back and front dolby speakers and used same settings for them as the height speakers which will need user feedback to finalize.

[@isak6626]

@@ocaudiophile Thank you. Is 75 dB really the reference level that movies are mixed at though (and hence, the level at which the target curve is applicable at)? From my understanding (after having talked to Matthew Poes about this), it is actually higher. He said kids/family movies are mixed at 82 dB, while TV shows are mixed at 75 dB. I'm not sure what "regular" movies are mixed at, but my guess would be 85 dB based on the former? According to Matthew, "the correct way to calibrate speaker levels follows SMPTE standards. It’s -20dBFS equals 85dBC slow at each speaker. Bass should actually read at 90.5dBC. That last one I only recently learned myself. The bass channel should be 10dB higher on a 1/3 octave RTA per band as compared to a screen channel. But the total energy for the bass channel C weighted is only about 5dB more. Not 10." (see comment section in this video: kzbin.info/www/bejne/pJbVfqeKeMyeeq8si=-aLOxEyVpuT4gcCJ). Maybe I'm misunderstanding something, but If we were to use the same target curve as Hollywood, it would only be correct at the levels cited above. If we go down to 75 dB, we would have to apply an equal loudness compensation on top of the target curve, or?

[@ocaudiophile]

Thanks for the link. He's on the same team with me as per the bass boosts people desire ;) What is not being said is that Audyssey has got the Dynamic EQ no effect level wrong by 20dB at the time. They adjusted DEQ based on 105dB reference level. As you have correctly stated studios adjust reference level to 85dB (with highest peaks allowed to go up to 105dB). Evo 1 is attempting to adjust for this and I am aware the no effect level might need to be lifted to 85dB instead of 75dB but I wanted to start this way as it was more convenient for calculations. As I said, depending on user feed back, I will adjust it in the future versions. It's quite easy to do, I already have preout DEQ measurements for 85dB.

[@twister213]

Greetings OCA! 2.0 This is the best sound in my system. It was not immediately clear to me that my FHL-FHR crossovers are set to 40 hertz. Center and fronts at 60 hertz. Rears at 80 hertz. When I set all the crossovers to 80 hertz. The sound has deteriorated. I returned it as I did and EVO 2.0 became crystal clear. I'm blown away by the sound. Version 2.0 is the standard of sound in my system. Thank you for what you do. And you do this at the level of God. Thank you for your invaluable work.

[@ocaudiophile]

Great to hear!

[@twister213]

@@ocaudiophile I also noticed that today you updated something in the script in silent mode. Before today's update, my script was configured by phase. And my Sub needed to reverse the polarity. The sound is very clear, my Danon 6500 has never sounded so clear. A quiet update adjusted everything according to the Impulse, the sound became dirty. The sub did not ask to reverse the polarity. This is my personal situation.

[@ocaudiophile]

I hope you kept the older calibration. I did a number of silent updates today. In fact I was doing updates and saving every time to give the new downloaders the best possible version without causing too much confusion. I didn;t think people will download again the same version. Anyways, try v2.1 and if it sounds bad, I will check your ady file personally.

[@twister213]

@@ocaudiophile I tested version 2.1 and it sounds better than 2.0 with silent updates. But the 2.0 earlier version, in my opinion, sounds cleaner.

[@BalanBro2]

I've used your software to optimize my old 5.1 Denon X3300W, and now my 7.4.6 X6800h. Simply fantastic results both times. I may eventually use Nexus with a UMIK-1, but even as it is the results are excellent.

[@ocaudiophile]

🙏

[@ChadAV69]

OCA, you have changed the game for home theater. You really have spearheaded the charge in getting great calibration at home with consumer level tools. Keep up the fantastic work. Thanks.

[@ocaudiophile]

Glad to help

[@ocaudiophile]

A1 Evo v3x released just now (13 July 2024 21:45 CET) Edit: silent update @ 08:52 CET on 14 Jul 2024 fixing falsely prompted "limited lpf" with 2 sub standard bass systems. Compatibility: • Requires REW Beta version 43 or above for best results (a bug with persistent Subwoofer EQ target type that could cause minor variations in sub alignment has been fixed in that version). Updates: 1. Microphone calibration file correction to imported measurements for certain receivers: o Models with Cirrus Logic DSP chips displayed incorrect high frequency responses in REW. 2. Extended crossover frequency range analysis: o Large speakers will now be analyzed for up to a 90Hz crossover frequency during optimization. 3. Subwoofer lowpass filter frequency: o Bass extraction LPF setting is limited to 80-90Hz if there is just 1 subwoofer or 3 subwoofers to avoid bass localization. 4. New customization parameters: o Following customization parameters can be selected directly from the optimization screen: ▪ forceSmall (default value: 'false') - If 'true', front speakers will NOT be set to 'Large / Full range', ▪ forceCentre (default value: 'false') - If 'true', front speakers will be set to 'Large'. 'Subwoofer Mode' in the AVR will need to be set to 'LFE', and subwoofer(s) will be time-aligned to the 'Centre' speaker, ▪ forceLarge (default value: 'false') - If 'true', front speakers will NOT be set to 'Small'. ▪ noInversion (default value: 'false') - If 'true', avoids subwoofer polarity inversion. This may limit alignment options and could negatively impact sound quality but is necessary if your subwoofers do not have polarity switching capability, ▪ forceWeak (default value: 'false') - For systems with less powerful receivers and/or identical speakers. If 'true', all bed channels will be crossed over at 80Hz and all Atmos channels at 120Hz. If you regularly listen at loud volumes, this option will avoid LFE + Main mode and relieve your receiver and speakers by directing all bass signals to the subwoofer(s), ▪ limitLPF (default value: 'false') - If 'true', limits lpf evaluation frequencies for even number of sub(s) to avoid bass localization in 'LFE + Main' mode - odd number of sub(s) are automatically limited. o Additionally, from inside the script (line 253) ▪ forceMLP (default value: 'true'; If 'true', only the first mic position measurements will be used in most calculations. If 'false', all of the measured mic positions average will be used, o Please note that the above options are for special cases and Evo will perform best with the default parameters for most set ups. Enjoy the enhanced audio experience! Best, OCA ************************************************** Important ******************************************************************************************************************************************** A bug in REW Beta is causing slightly off SW time alignments. The complete fix will be coming in the next REW Beta (Beta 43). In the mean time, you can change default EQ target type in REW from "Subwoofer" to "None" before importing measurements and running Evo. I didn't want to keep you waiting any longer and waste the weekend. REW Beta 43 will hopefully be released tomorrow.

[@AbhishekSingh-fw7fv]

Hi Serkan... I am using the V3X exactly as how the query suggests without any forced changes. I have some very basic questions : 16:27:04 [INFORMATION] 'Large / Full range' front speakers in 'LFE + Main' mode analysis: 16:27:04 [IMPORTANT!] Limiting search frequency to avoid bass localization due to odd number of subwoofer(s)! 16:27:04 [INFORMATION] Searching all alignment options... 16:27:16 [INFORMATION] Crossover frequency: 40, is possible: 'true', sub will need polarity inversion: 'false', dip removal efficiency: 92.31% 16:27:17 [INFORMATION] Searching all alignment options... 16:27:29 [INFORMATION] Crossover frequency: 60, is possible: 'true', sub will need polarity inversion: 'false', dip removal efficiency: 92.52% 16:27:30 [INFORMATION] Searching all alignment options... 16:27:42 [INFORMATION] Crossover frequency: 80, is possible: 'true', sub will need polarity inversion: 'false', dip removal efficiency: 92.74% 16:27:43 [INFORMATION] Searching all alignment options... 16:27:55 [INFORMATION] Crossover frequency: 90, is possible: 'true', sub will need polarity inversion: 'false', dip removal efficiency: 92.83% 16:27:55 [INFORMATION] Large / Full range speakers 'LFE + Main' mode, subwoofer lpf: 90Hz, dip removal efficiency: 92.83%...... 1) What crossover is the query evaluating here ? 2) As per this does it mean the Crossover for Large fronts be set to 90 Hz or was this for calculating the LPF for LFE+Main.

[@patrickpeng0919]

Thanks for the update. I do have the issue that the new version ask me to set the LpF to 40hz but my receiver:x4400h can only the 80hz lowest. Should I only do 80hz then?

[@agranadosg]

Thank you for all your effort OCA, you are great. Testing as always all the advances. This V3x is spectacular. A big hug!!

[@porschedrifter]

REW changes EQ target back to Subwoofer after loading measurements into REW, do we then change it back to "none" again? Or leave it to "Subwoofer"

[@ocaudiophile]

@porschedrifter Change to "None" but it will keep changing back unless you do it in Preferences. That's why are waiting for REW's new beta 43.

[@ocaudiophile]

A1 Evo Maestro MJ has just been released (08/08/2024 14:45 Central European time)! *Updated with several minor bug fixes at Aug 12, 2024 17:15 CET! Release Notes o Requires REW Beta 48 or above. o Doubled up search combinations for directional bass to standard bass conversions refining overall bass response for multiple sub setups significantly, o Further improved time alignment process for speakers and subs, o Available delay range for subwoofer is now always a single positive value, o ‘maxMicDistance’ setting and related checks for it were removed, o Necessary delay required for best alignment will be prompted in the log even when it’s not within Audyssey limits (hence the need for REW Beta 48 or above), o Decreased default volume levels for surrounds and heights in the Dynamic EQ calibration, o Added Denon X4800 and X6800 to receiver list where no bass boost will be added with anti-reference curve however this list is not yet conclusive, o Added automatic date and time stamping on saved calibration files. Save dialogue box should now show up with all browsers where you can further customize the files including the save location, o Added fully customizable “per” speaker crossover frequency search range settings for advanced users. Changes can only be done inside the script and you will find usage instructions there. o Default target curve has been updated (Target Curve MJ). You can find the previous Evo3 target curve in the “Popular target curves” folder in the KZbin video download link, o Various user interface improvements and bug fixes. Don't forget to check the actual release log in the download folder for further details. PS: Maestro MJ is the most accurate version to date with fewer bugs and more app/measurement anti-bug functions than ever before. Therefore, it is expected to yield the best results under normal circumstances. Even if you are happy with your current calibration, you are advised to give it a try! For most FAQ on A1 Evo, you can refer to : www.avsforum.com/threads/faq-audyssey-one-evo-by-oca.3306602/ All the best, OCA

[@BuffSquadBigBenni]

@@ocaudiophile XO customization hell yeah!! Thank you thank you thank you Serkan 🙌🙏 please don't remove it in future revisions. Will test MJ later today. Hopefully I can align properly to my center channel now due to customizable crossovers.

[@AbhishekSingh-fw7fv]

Hi Serko... you are spoiling and surprising us with each updates. 😊.. Maestro sounded perfect but then MJ is better.. not sure of the adjective to be used for better than perfect. Default mode : Clarity, separation and the subwoofers depth and timing is spot ON... Really waiting to see what's Next, it will be difficult to beat MJ.. Thanks a ton.. 🙏

[@serkangur7816]

@@AbhishekSingh-fw7fv Thank you! I agree that this one is gonna be hard to beat also by myself ;)

[@Squizzy911]

@@serkangur7816hey ! Thanks for your work. That’s awesome 😎 Denon X1700h cannot set LPF under 80hz. What to do if the script tells me to set to 40 hz? Do you have to make adaptions to the script for AVRs not supporting under 80Hz?

[@ocaudiophile]

Are you sure you're adjusting the correct setting? LPF for LFE is not it!

[@ocaudiophile]

A1 Evo v2.3 (release date: 24 Jun 2024). This version has been tested to work with REW Beta versions 33 to 36. Updates and Changes: 1. New Dynamic EQ compensation curves: o DEQ calibration file now matches target at 90dB (-15dB relative volume scale) replacing 75dB in previous versions, o This will result in more emphasis on bass and treble at lower volumes, o Will resolve majority of "Speaker could not be aligned for auto-leveling compensation" errors, 2. Added user-definable 'maximum crossover frequency’ variable: o Users can now set both minimum and maximum crossover frequencies for Evo's optimization search, o Located just below the frequency range custom variable at line 225 in the script (minimumXO & maximumXO) - script defaults are 40Hz and 150Hz, 3. Bug fix: o Corrected an issue that skipped the last speaker's distance when calculating distance limits, o Only affected calibrations where the last speaker in REW was also the nearest or farthest speaker, 4. Updated REW Beta download links for Beta 36, 5. Added a maxMicDistance variable (default 1m) and you will get a warning if a measurement needs to be moved by more than that amount to match the others despite Evo’s various attempts. Unless you really measured at positions more than 1m apart from each other, this warning message points to errors with some of your measurements. Please note that it’s now safe to say Evo is nearly bug free, however, odd results may still be produced. These are “almost” always related to such broken measurement data. Take utmost care while taking measurements. Keep mic positions close (the distance between your ears is a good choice for consistent measurements) and don’t hesitate to repeat the Audyssey calibration process if you must. 6. Various minor UI improvements. Download link in the video description as usual! Enjoy! OCA

[@chandan6119]

my fronts and center is set to 120hz, any way to set a maximum limit in the script? since it very capable upto 60hz and i regularly get good measured response at 80hz . tested in evo 2.2

[@ocaudiophile]

I can add that but what's the point of optimization if everyone uses their favorite crossover points. It will not sound as good at 80hz as it does at 120hz according to calculations.

[@chandan6119]

@@ocaudiophile ya, i get it. i believe the crossover frequency, mostly is calculated based on the impulse response, right? but i think it neglects the dips in frequency response(i have large dips below 80hz) and also the main issue of bass localization above 80hz-90hz. however, i can adjust the crossover frequency in the avr afterwards, but it will mess(little) up the eq applied by rew . so if i have the option of max crossover(in my case i will set at 80hz max) ,then the rew will eq the response perfectly for 80hz crossover. it may be helpful for advanced tinkerers, who constantly measure their systems . other than that i really like everything it is doing

[@ocaudiophile]

It minimizes root mean square of deviations from the target curve in the bass region for every frequency and picks the best. If you could just listen the results first maybe you would question your XO choices based on graph picking. Btw, many of you are looking at all the wrong graphs. Dip elimination is not even a real thing in DRC, dips are mostly inauduble and very local.

[@navidmahmood876]

I might be wrong but I think the calculated sub delay is being applied in the reverse order. The "subMoves" is being added - for positive delay, it increases distance but AVR sees it as needing to reduce delay.

[@pascaltruan]

Thank you so much for your amazing work and support !

[@ocaudiophile]

Thank you too!

[@Yo.........]

¡Gracias desde México! 🇲🇽

[@ocaudiophile]

🙏

[@AdamClimer]

Thanks for all your work on this! Even though I have been having mixed results, I love what you are doing. Will keep following the AVS thread to see any updates!

[@ocaudiophile]

Awesome! Thank you!

[@tetsu96]

Mind blown, this is so good for tightening up the Audyssey configuration. Moreso for me, this allows for DIY subs to stretch deep without external DEQ solutions like minidsp. Imagine the smile on my face when I read the following in the progress log: [INFORMATION] Your bass system is expected to measure flat down to {7.32 ± 0.18} Hz! Audyssey cut the legs off of that sub and capped it around 20Hz. Evo not only put back the full range, but tightened it all up like nobody's business. TY OCA.

[@SpectreWraith]

Great work on this! Only found out about A1 last week and it was a noticeable improvement. Applied the A1 EVO EQ last night and even though the curves don't seem too different, WOW what a massive improvement!

[@JRnumerouno]

Welcome to the dark side

[@CorbyPage]

Thanks for your amazing work. I used an Audyssey measurements file that worked well with A1. Running Evo 1.2, REW beta 31, Evo struggles to align my speakers to 75 db. It gets to a measured average volume of above 87db for all 7 of my speakers, forcing a max adjustment of -12db ("set as low as possible!" message)

[@ocaudiophile]

Sorry this post was missed. Are you using a power amp? and thank you for the gesture...

[@mladia]

@OCAudiophile. Please, PLEASE.. Tweak A1 Evo a little more! What have you learned in Nexus that will benefit LOTS of us who are quite happy with the ease of use of A1 Evo?

[@eleckson]

OCA is such a blessing to this community! Just have to show my support.

[@ocaudiophile]

Thank you!

[@DavidAndrewsMBA]

Awesome, can't wait! A1 was fantastic and I am very eagerly looking forward to the improvements with A1 evo!!

[@ocaudiophile]

🙏

[@pierrecastanets1974]

Thank you for all your hard work! Your work has transformed the sound of my theater!

[@ocaudiophile]

Cheers m8!

[@siddharthnadarajan8072]

Thanks for the wonderful work

[@ocaudiophile]

🙏

[@ericschroeder3801]

I just want to say thank you! I have dirac live with bass management and I firmly believe after listening the past few days you knock them out of the park :-)

[@ocaudiophile]

Rock on!

[@ingokuhnen9576]

I already sold my Dirac licence, as I prefer the clarity and better dynamics of OCA's script.

[@patrickroza3073]

@@ingokuhnen9576 how does one sell his Dirac license? I was on the fence so far investing into Dirac because moving to a different receiver would make my license useless

[@ingokuhnen9576]

@@patrickroza3073 Hi Patrick, as the licence is stick to the AV receiver (in my case Marantz Cinema 40), I needed to find another Cinema 40 user who was willing to take over my licence. So I informed Dirac-support by email that Dirac licence should be transferred to new user incl his Dirac-Account mail address and serial number from his AVR. That transfer happened within a day. Thanks to OCA I did not regret to sell it.

[@timbe667]

🤘Despite some minor issues with my setup after A1 Evo, I still think you are a lifesaver with your work - great job!

[@ocaudiophile]

🙏

[@timbe667]

@@ocaudiophile If you want to take a look, I've uploaded my newly re-measured Audyssey file as well as EVO'lved sound file here (yes, I am using the dEQ version, because my listening volumes are always of "living room" level): drive.google.com/drive/folders/1x7Xp5CL42fgjc0uqOlAgXPjNXhR9ySFT?usp=sharing - I had to "Avoid sub polarity inversion", although running Evo with default settings would want me to flip the phase (don't have a knob, only dial) - After Evo, I had to still drop surrounds by -1,5 dB and raise center by +2 dB - Lower bass frequencies (around 90-120 Hz, ish) sound a little bit boomy and muffled at times, especially when listening to semi-deep male voice (speaking) Question 1: Before Evo, I introduced a significant and gradual boost below ~50 Hz for subwoofer by Audyssey Editor sub curve. How would I reproduce this with Evo? Question 2: With the "avoid sub polarity inversion" checked, which is mandatory for my environment, Evo always assigns fronts as Large, which is fine, but also wants me to set sub mode to LFE+Main and bass extraction to 120 Hz. How can I cap this to, for example 80 Hz, because my sub starts booming around 100 Hz and would want it to produce mainly sub-bass?

[@ocaudiophile]

1. You can use different more bass heavy target curves or increase your sub trim level after optimization. 2. In a text editor find that line "for (let i = 1; i < (freqLength - monoSub); i++) {" in the script, should be around line 2060. Replace it with this "for (let i = 1; i < 4; i++) {"

[@timbe667]

@@ocaudiophile Thanks, I'll give the alternative curves a go if I find a suitable one. Increasing sub trim level is not an option, because it also increases the frequencies I don't want to be that loud (>~80Hz). I would want only +3...+5 dB increase from ~50Hz to 30Hz and actually have the ~80-120Hz range lower than EVO'lved produces. Anyway, I will play with the alternative curves a little bit, but boy would it be nice to be able to edit the target curve graphically by myself! =)

[@timbe667]

@@ocaudiophile Actually, is it possible to somehow introduce two modifications after EVO script: 1) manual sub boost 2) manual center channel dip at chosen frequencies? Is it possible to somehow modify the REW target curve by hand and/or modify channel specific curves after finalized EVO script? I know what I want to do, but I don't know how or with what tool to do it. =)

[@KILLorBE]

Haven't tried it yet as I want/need to make some changes to my living room first, which will probably take a few months, but I just wanted to say thanks.

[@ocaudiophile]

Cheers!

[@ocaudiophile]

It takes 5 min.

[@ocaudiophile]

A1 Evo v3 has been released (07 Jul 2024). Release notes: Compatibility: - Tested with REW Beta versions 33 to 42. Key Updates: 1. **Enhanced Support for Large/Full Range Front Speakers**: - Detects full-range front speakers and calculates "bass extraction LPF" for the subwoofer in 'LFE + main' mode. - Evaluates LFE mode (no subwoofer with large front speakers) and the traditional crossover with subwoofer for small front speakers to find the best configuration. - Aligns subwoofer to the center speaker for improved speech clarity when front mains are set to LFE. 2. **Improved Crossover Frequency Algorithm**: - Considers the individual bass roll-off frequency of each speaker, optimizing for dip removal from speaker responses. - Frequency mapping customization removed due to these enhancements. 3. **Performance Enhancements**: - Minor improvements to target tracking and excess phase minimization. - Reduced script run time. 4. **Second Round of Filtering**: - Added after subwoofer alignment for significantly improved overall speaker responses. 5. **Central Mic Position Weighting**: - Increased importance given to central mic position speaker responses. 6. **Directional Bass Conversion Script**: - Complimentary script to convert standard bass to directional bass for users with older receivers and two subwoofers. - This script prepares calibration files before feeding them to Evo and is linked only in the KZbin video (you may need to watch!). 7. **Speaker Volume Matching**: - Volumes matched to custom target curves from the end of frequency correction up to 20kHz. 8. **User Interface Enhancements**: - Improvements and additions related to 'LFE + Main' mode and 'LPF for LFE' setting recommendations for specific subwoofers. Overall: - A1 Evo v3 is redesigned for the ultimate sound experience with your setup, offering smarter and more efficient performance. Download link in the video description as always. I hope you enjoy the enhanced audio experience! Best regards, OCA ****************Important************************* A bug in REW Beta is causing slightly off SW time alignments. A1 Evo v3 version uploaded now (16:45 CET) minimizes its effects but cannot completely remove it. The complete fix will be coming in the next REW Beta (Beta 43). In the mean time, you can change default EQ target type in REW from "Subwoofer" to "None" before importing measurements and running Evo. This eliminates the problem.

[@XFUR]

Sorry, but... A1 Evo v3.html:999 Uncaught (in promise) ReferenceError: inversion is not defined at aceXO (A1 Evo v3.html:999:7) at async optimizeOCA (A1 Evo v3.html:544:7)

[@miguelmedinaramos]

Thanks, that's fantastic!!

[@ocaudiophile]

Thanks, fixed the typo, please download again now.

[@ocaudiophile]

This should sound remarkably better than all previous versions - and everything else ;)

[@XFUR]

Sorry, again... A1 Evo v3.html:1000 Uncaught (in promise) ReferenceError: subMoves is not defined at aceXO (A1 Evo v3.html:1000:61) at async optimizeOCA (A1 Evo v3.html:544:7)

[@patrickroza3073]

💥 Thanks! The result even with 1.3 is great so far. The only problem I have is that Audessey calibration had my subwoofer at 0db, and now with A1 Evo it's at +12db (which might even be clipped), and the rest of my channels closer to 0, from minus before) Guess I need to pump up that Sub volume or move it, and do new measurements.

[@ocaudiophile]

Was there a warning for exceeding maximum hardware limit?

[@ocaudiophile]

Thank you btw ;)

[@patrickroza3073]

@@ocaudiophile Thanks for the quick response, no errors, the log said; > 21:10:26 [INFORMATION] Aligning subwoofer volume to 75dB between 30Hz - 80Hz (Dolby standard)... > 21:10:27 [INFORMATION] Calculated subwoofer volume adjustment requirement with the minimum tracking error (11.47%): 12dB so seems to be within limit then. would I run into any clipping issues, especially if I would also play with additional sub channel boosting? (Denon X3800H). According to general advise, the sub should be in the minus region, +12 seems way out there :)

[@ocaudiophile]

Yes that's fine, you just had your sub volume a bit too low but you were still within limits so no need to repeat Audyssey measurements. - sub volume has negliable benefit to save receiver power.

[@patrickroza3073]

@@ocaudiophilethanks. The interesting thing is that they usually recommend 30% vol on the sub, while it’s set closer to 50%. But the sub is not in a corner, instead it’s on the right (long) wall (about 35% from front), maybe 8cm from the wall. So far this is a much better position than front mid-left without big nulls at my mlp, but probably also much less room gain.

[@felixh.7886]

​2.3 goes one step further! It's impressive that things keep getting a little better, even though you thought the end of the sonic line had been reached. Of course they are not worlds that change. But in this version I hear e.g. Congas even clearer, the bassline even more differentiated, drums even more to the point, strings and brass even better distributed in the room. The XOs were also set more coherently. 60,60,60 L, R, C And now the DEQ- Ady brings back at low volume something. Increased bass and crisper highs, but without borderline "thickening", which was previously the norm when using DEQ. Really top and a recommendation from me. For me(!) the best and most rounded version so far. Even if you are tired of the daily recalculation and listen to it: The effort is worth it! I used the script as is without any changes. No warnings anyway. -Calculation with newest REW Beta. -Denon x6700h -Canton Vento 7.4.2 System -Two Arendal 1961s Subwoofer -Antimode 2.0 -8 Platz Medium Pos. Berechnung Many thanks to Serkan for this "miracle weapon"

[@vortexor1]

Hey Felix! Did you try your setup including A1 Evo with and without Antimode? Because in my opinion you don't need the anti mode on the X6700H

[@felixh.7886]

@@vortexor1 I took it off the chain as a test. But it corrects the bass much better than Audyssey, so I added it back. It sounds better with Antimode & A1.

[@discostu668]

Thanks

[@discostu668]

I completely forgot to change the note to say something other than "Thanks" - As always, thank you so much for all of your incredibly hard work in making this script available for everyone to enjoy. This amount of money doesn't even come close to being enough, but hope that it buys you a few cups of coffee somewhere 😸

[@lucasbo-b5b]

Highest donation I've seen so far, thanks for supporting OCA! :)

[@ocaudiophile]

Welcome!

[@DhruvamPatel-n2l]

Just cane here to thank you OCA. After calibrating using your technique it did make a night and day difference and my system sounds a loooot better now. Can’t thank enough. Very much appreciate your work!

[@HomeTheaterCommish]

you sir are a genius with a sense of humor 'If they are placed according to wife's directions,"

[@ocaudiophile]

Bug was fixed causing freeze with systems with subs which could not be aligned in the first attempt. v1.0 have been replaced with v1.1. Download link updated in the video description and also here: drive.google.com/file/d/1uvgGQ3ubN2DWb4zBxA39N_OMnIo2l7Xj/view?usp=sharing Live chat has disappeared after video ended so I couldn't answer some questions> Here are the answers: A1 Evo volume aligns your system to the Audyssey's intended measurement level of 75dB. You may see boosted or dimmed speaker volumes depending on your actual measured levels. This was necessary to be able to apply Dynamic EQ correctly. DEQ ady will sound correct only with DEQ 0dB and will be identical to the normal ady file only at 75dB (-30 in the AVR scale). At lower volumes DEQ will increase bass and treble levels. The first ady file produced will sound right at 75dB and will keep target curve shape at all volume levels. If subwoofer distance is selected 0m (will happen to some of you), all other speakers will be moved forward and will not show correct distances. This is perfectly normal and speaker timing precision will be preserved.

[@felixh.7886]

Info: have downloaded the correct REW Version 30 through your A1 EVO script. Thats not the problem, i think

[@vortexor1]

Thanks for your effort!!! Two problems at Marantz SR6011: Subwoofer is not corrected in frequency, only phase from 11 to 14 degrees. And: You will need to switch polarity of EACH of your 1 subwoofers!. But i have no phase switch on mine... so what can i do please? Thanks in advance!

[@ocaudiophile]

No EQ for a sub is normal if its peaks are still below the taget level and the new target has really high bass slope. Are you sure there's no way to switch its polarity, most subs do have something to do it. f not, send me your ady and I will try to produce an optimization without inversion. But cant do it very quickly. Still some users are having problems with the script completing the optimization.

[@isak6626]

I thought DEQ did nothing when the AVR volume was set to 0 dB (reference level). But you're saying that that is when it is set to -30 dB?

[@HOTpopcornVideo]

Serko I listen at -12.5 for pretty much everything. What should I use, DEQ or no DEQ? Not sure what’s best.

[@Veeb99]

Superb work, thanks for your efforts, my system has never sounded better.

[@ocaudiophile]

Many thanks!

[@alexstill1122]

Thank you for this sotware it change my viewing experience. The first time there is no bass but forgot to change the the bass to main +lfe as the the log suggest then boom....holly cow what a diffence from using audyssey alone.

[@AnselmFischer]

Thanks for your work. Really improved my system! I have question which might be answered by anyone. First my Setup: X2800H. HK Sub (down to 33HZ) & Satellites (supposingly down to 105kHz [These will be replaced asap, thinking of Dali Fazon Sat). Dali Vokal Center (down to 47kHz). OCA sets XO 150 HZ for the sub, and 180 HZ for the Sattelites, 40HZ for the Center. The room is fundamentally unfavourable acoustically and has a lot of reverberation 1. In general the Vocals not that bass-heavy Does the Sub XO at 150Hz dont let my Center go down below that? What could i do to have a little more resonance especially in the Center? 2. With the other Preset and Dyn EQ ON, the voices are generally quieter and sound muffled. Here I always have to set the dialogue enhancer to high. Any idea what that is about? Thanks!

[@ocaudiophile]

Can you share your ady file? It needs to be a Google drive link and you need to be a channel subscriber to post it or else yt will delete. Your center is crossed over at 40hz why you mention 150hz?

[@kevinmastah]

2. Sounds like you using Evo 1.4 ?

[@AnselmFischer]

@@kevinmastah actually it has been the same with all versions. Most notable difference with the 1.6 Dyn On setup is, that Height and Sourround Speakers are damped down, so that the voices can be heard much better and are not overlaid by effects

[@AnselmFischer]

@@ocaudiophile Tried to share the file as instructed above, but YT keeps deleting my post. I'll keep on trying! For my second question i used a workaround, to make it sound more like i want it to: First i set Dolby Volume to "heavy" and i had to set the sub to +8db. With the first a1 evolved DYN 0 calibration the sub was set to +8db, now with v1.6 it is set to -2.5db. PS: Why i mention 150hz. Initially i thought that with the sub XO at 150hz, all signals below would be drawn from the speakers and added to the sub. Apparently i was wrong :)

[@teikela]

This is far beyond impressive. It feels like putting in 20k in HiFI-upgrades.

[@ocaudiophile]

Thank you. I know what you mean ;)

[@ebarbie5016]

Thanks. Does it support MiniDSP 2x4 HD for bass management? I currently have the Denon X4700H + MiniDSP 2x4 HD and 4 subs. The 4 subs are fed from the MiniDSP and were calibrated using MSO then introduced as a single sub to the X4700H. I finally used the A1 script for calibration with the Olive target curve. I wonder if the A1 could natively support such configuration and create filters for both the Denon AVR and the MiniDSP for better results?

[@ocaudiophile]

It could if you had 4800 :(

[@DigitalKirkley]

Firstly, again, my sincere thank you to yourself (and John at REW) for creating such an exciting and inspiring solution thats definitely hitting the spot for many people including myself; I am becoming obsessed with all the work on this! Since the initial A1 and then the A1 Evo release, I have been continuously running experiments and listening tests based on all the various comments, suggestions, advice and updates; whilst doing my own. You have given me a real sense of confidence in trusting you for your on-going passionate, obsessive knowledge and challenge of finding better sound and I am absolutely loving this; so please keep this momentum going thank you! (This is also very much a learning / educational experience/journey for me, so please keep doing what your doing as its also generating such great discussions, ideas and theories whilst I try and track in FAQ style you and others comments) Maybe I haven’t yet landed on my preferred sound; will we ever!? However what I can say is experiments/tests are wonderful! Always clear, neat, dynamic, defined (Really highlights the detail), spatial, enveloping and has a lovely balance of bass that I can use for the majority of the time, even in later evenings. What is really interesting is the bass tests and experiments and the fact other members of my family have commented and become involved too E.g. too much bass, too little base, to bright (loud) etc and I have also discovered my wife doesn’t like bass vibrating her seat (Although the kids think its amazing!). We primarily listen to movies and tv series and I have pretty much spent every available hour every day listening to the test results since A1 was born using various MIC combinations/patterns/numbers. Although there is much discussion around “bass”, for me its all about dialogue/vocals and reaching optimal clarity. I feel like the dialogue enhancer set to “medium” on top of A1 Evo works very well. You have and continue keep nailing this, so thank you! Some observations I don't think I have seen in comments/forum: iOS iPad app vs iPhone - for some reason iPad provides better and more consistent .ady files/results; stopped using iPhone; seems to fit with the Android users For vocals/dialogue - Although using dialogue enhancer on Marantz, any further suggestions thoughts I could test? Putting Bass aside - what would your preference target curve be for vocals/dialogue?

[@ocaudiophile]

Thank you every much for your kind words and gesture. I agree that optimal sound is a lifetime search and maybe that's why we're in it. Trained ears like bass levels a little lower than untrained ears according to studies. Btw, don't let your wife know but women hear better than men and they also lose high frequency hearing slower. We start losing it as early as 25. Muddy dialogue is most often from unsorted bass in the room but this doesn't seem to be the case with your set up. Second culprit is the design handicap of center speakers. Two midrange drivers in horizontal position cancel each other out at certain locations in the room. A proper center speaker should be at least a 3-way design and be one of the most highly invested parts of a surround system. The typical solution is turning its volume up a notch and tilting it perfectly for the ear height. Bringing your front main speakers forward (towards MLP away from walls) would also greatly help center image if you can afford this in your area. PS I didn't know about IPad, I'll inform people about it.

[@DigitalKirkley]

@@ocaudiophile thank you - really appreciate that 👍

[@mladia]

Please update whatever improvements you have on Nexus and let it trickle down to MJ. I believe a majority of your followers are going to stay here for a while. Thank you.

[@MarkBendell]

@@mladia Agreed, I’m sticking with MJ due to the relative simplicity.

[@bschalker]

@@mladia what is MJ? Just starting with A1 EVO, Denon 3800H.

[@mladia]

@@bschalker A1Evo

[@jamesbeshero2029]

I’d love this. I don’t have a umik and honestly not at a place in my life to find time to dig that deep into nexus/REW. Maybe some day when the kids are older haha

[@muehliism]

Danke! I just started learning about all this correction bought myself audyssey for windows and then learned about your programm I wish i knew before i bought the calibrated mic and license 😂 I have 2 Questions if you don t mind: 1. Is it bad if i meassured with the calibrated mic on the phone app (i know the app doesn t include calibration data) 2. Is there a way to feed the windows measurments into your script Lastly i want to add that i feel like my windows calibration is more spacious and yours is more precise with less bass but so accurate i hate choosing so i hope i can feed my windows data in there one day and see what it does 😂

[@ocaudiophile]

Cheers!

[@hawki1980]

Danke!

[@ocaudiophile]

Thank you!

[@WILCO1uk]

Thankyou so much. I am really gratefull for your work. The quality improvement is astonishing, its saved me so much time and the results are stunning. However, I do have a couple of questions. 1) My subs don't have phase switches, just dials, so I assume 180 degress is the equivalent of inverted? 2) I used the mj curve and find that vocals sound a little lacking. They have more clarity than before but male voices sound a little thin and lacking impact (I think "strident" is the word) , whilst female voices sound a little hollow (almost like I'm listening through a metal tube), almost like they are veging on the edge of sibilence. My centre speaker is a PMC TBC (similar to my TB2+ main L&R). A1 evo crossed the mains at 60, but the centre at 90 (my own sweeps kind of confirmed this was optimal from a phase perspective). Considering this, should I try a different curve?, if so could you suggest some to try?

[@ocaudiophile]

Thank you for the gesture! 1. Yes 0-180 deg phase invert switch does the same thing, if it's an adjustable polarity knob though, that should not be used. 2. Try force MLP option.

[@Littlesloths]

Great job, really helpful! Two comments/questions though: a) with manual matching the sub to the speakars (40Hz) I had best results to limit the sub to 80Hz. Currently with A1 I disabled the low pass filter and the sub DB4S goes to 250Hz or so. The Denon X3800 can set down to 80Hz. It looks like A1 tries only down to 90Hz. By intention? Would you recommend to set the sub filter to 80Hz or let A1do the job? b) I had a Arcam and the delay/distance could be changed to 20m and more than 30ms. Now, the Denon offers something like 16ms but less considering the set sub distance. I've seen that a lot of options have been rejected due to "alignment not possible within delay limits!" => seems to be a limitation Denon set too narrow. I'd call it a design fault. Seems nobody is addressing it to Denon/Marantz R&D

[@Littlesloths]

With my new Denon X3800 it is not possible to properly align the subs for impulse response. Mainly because of DSP things going on inside the SUBs most users need more than just the real distance. Max. 16ms the Denon can do is too less. Neiter Audyssey, A1 EVO nor Dirac work as good as they could because of the limitation. I don't think that Denon is aware of the consequence of the limitation. I also doubt that an update may solve it, because larger delays require more internal memory. My old Arcam AVR550 could do more than 30ms delay and did the matching subs mains much better....

[@bluesdude123]

Danke!

[@ocaudiophile]

bitte schön!

[@JeanHomeCinema]

Thank you for your Time 🙏👌

[@ocaudiophile]

🙏 Big thank you!

[@KevinLamarche]

Hi OCA. Please don't take this the wrong way, I truly respect the work and time you have dedicated to the community. You are trying to please everyone while trying to build a script that tries to account for user mistakes, user wrong setups, all the differences from system to system...you won't please everyone. On that note, the script is setting my crossovers way off. I have bookshelf klipsch speakers that measure, in my room, as fronts 50hz comfortably, center 110hz comfortably and surrounds 60hz comfortably. The script sets them as fronts 100hz, center 120hz and surrounds at 150hz...completely nuking bass response. Then there is polarity, since your very first script A1, it has never said to switch polarity on anything. Evo 1.5 is saying all my speakers are wrong where I know the wiring is correct. I think, and this is not to insult you in any way, you are trying to do too much in order to please every single person. You were really on to something with concentrating on alignment and timing in the very beginning. Bass and equalization is extremely subjective...you will never reach a point where people are happy going in this direction. If I were asked to give you advice, I would honestly recommend concentrating on perfecting timing and alignment. Just my thoughts bud. Many thanks for all the work, time and effort you have given through your generosity.

[@ocaudiophile]

Is that v1.5? Is it finding xo wrong upfront or moving it up in the later stages to deal with long sub delays?

[@KevinLamarche]

@@ocaudiophile ill provide a link to a folder containing the original.ady file and the evo1.5 adjusted .ady file so you can have a look if you wish. Side note- fronts klipsch r51m, center r52c, surround r41m, subs svs pb1000 dual drive.google.com/drive/folders/10mbq9EruhTEJ3KYUGOt8xvJ73xLAtgpA?usp=drive_link

[@ocaudiophile]

Here's your optimized calibration file, you will need to switch polarities of both your subs and that's all. Higher XO frequencies mean, the target curve you are using has too much bass tilt for your speakers. Try to run Evo with Dr toole target curve from Audyssey One. you will get closer results to your speakers ideal roll off frequencies.

[@davidromas7970]

Comparing my presets from my old one to yours, the master copy it’s like night and day a whole Nother level amazing