Bass Traps: What About Frequencies You Don't Want To Fix? - AcousticsInsider.com

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After my last video, I got the following question:
“I have problems with some peaks in the bass and to me it looks like if I put in broadband absorbers it will absorb more in the frequencies that I don't have problems with. Won't that give more/other problems?"
That's a valid question!
But there are two major misconceptions hiding between the lines.
The first is about how peaks and dips in the low end fit into the bigger picture of all acoustic issues you'll encounter in a small room.
The second is how you generally think of approaching treatment if you're trying to save time and get the best bang for your buck.
In this video I want to give you a simple analogy to understand why broadband absorbers are still the best option for treating small home studios on a budget, even if you only want to fix the peaks and dips in the bass.
Related blog post on Acoustics Insider:
www.acousticsinsider.com/blog...
Acoustics Insider - Home studio acoustic treatment techniques for audio professionals, but without all the voodoo.
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Jesco Lohan - Mixing Engineer
jescolohan.com/

[@dougweier1]

Favorite acoustics channel on KZbin. You're gonna be YUGE

[@AffinityPhoto]

Using a water analogy, it’s more like a bathtub where you create a continuous, randomized wave at the center. The wave propagates out and hits the tubs walls and then returns. As it returns, the water becomes turbulent with high peaks and valleys. Adding absorbers to a room is essentially like raising the water level in the tube to the edge so the outward waves spill out and over the edge instead of reflecting back at the walls of the tub. If you were an ant on a boat in the tub between the source and the tub walls, you’d only experience the initial wave not the turbulence.

[@duranarts]

Infprmation I couldn’t het anywhere else. Clear and really helpful. Thanks!

[@Mads1693]

I would love to see your ideas explained by either theoretical or real rooms with different issues and solutions to them in terms of which panel work here and there..

[@francisstuartmilne6600]

Very good channel. Congrats and thank you!

[@gooshie3]

Thanks for everything. Some of the best info regarding acoustics on YT

[@laurabrown5445]

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[@user-kj4iu5bp4w]

This is SOOOO useful - Thanks! My drum studio at home is super Bassy - even when just playing the kick drum, yet alone the speakers.

[@pauljohn5584]

Nice! I love the boat analogy.

[@JulianFernandez]

Thanks!

[@FuriousTortoise]

I finished building and hanging some broadband dampeners (several evenly spaced 4” thick panels of 48”x16” mineral wool slabs) and feel ready to tackle the bass traps in the corners. Should I free hang a panel from the ceiling about 12” from the corner? I also have a 3” memory foam topper. Would that density be even better or worse for bass? Thanks!

[@jessehaetta7538]

Hey Jesco, I'm planning on getting glass wool porous absorbers in the cornerns of my room. I'm thinking of having it 16-25cm thick from floor to roof. Does the with of it make a difference?

[@grundtongrundton]

Hey there! If you're still wondering or if someone else has the same problem I recommend using porous absorber calculator, there's a free one I like on the web from acoustic modelling. It shows the difference between porous absorbers with different width quite well!

[@podespault]

I love your advice. Just that you mention that bass traps need to be really thick proves you know what you are talking about. I would love to have your opinion on Acoustic Fields carbon bass traps. Dennis is very knowledgeable too and he is anti porous materials not only for safety purposes. Thanks anyway and I will keep watching!

[@bobprenger8780]

The information in these videos is great, but they're SUPER quiet.

[@CobraChamp]

isn't plugging them one by one the way Room Correction products approach the problem???

[@davidzoller9617]

So, you don't have to do it, but it's better you do it anyway.

[@AmazonasBiotop]

Hi, as I am a audiophile and not a "Audio professional". I see no difference between a audio professional and a audiophile. Both of them have exactly the same end goal in my opinion. "To hear what is needed to be heard to do the job/appreciate the final mix." Why I am barking up this tree is because the mail I got from you Jesco that because I am audiophile and you aim like you say in this video @0:04 also "Acustic treatment technics for audio professionals". I will no longer receive your mails. That is fine I understand that it cost money to have all that mail sent. But I do not agree on that there is any difference between a good acusticaly treated room for a audio professional and a audiophile. Am I wrong? Do a audiophile need a different sounding room than what the Audio professional has?! Would not the Audio professional appreciate that a audiophile can be able to hear the same things that he/she does in the final mix? Jesco I feel that you put a unessesery barrier between the two.. and if you also included audiophiles then you are addressing a little broder audience. And that may be a missed opportunity when you don't.🤔

[@RamonSmithMusic]

Hi optimize. I am both: audiophile and a working professional. Let me try to explain where I could see a difference: if I want to listen to music I want it to sound nice. If I have to work on the same music I want it to sound "objective". Which means it will sound ugly and boring. When working on a mix all the problems in the mix jump should jump straight into my face. I do not want it to sound nice. A screen in a cinema should show you all the details in a beautiful way and the screen those images have been edited on. I've been mixing clients for over a decade now and the two acoustic situations I'm working in sound different than those I use to actually enjoy music and listen to it. In the end the goal is a different one. But since most hifi enthusiasts are being ripped off by the salesman I think it's good to understand what's voodoo and what's engineering. (I'd say 99% is voodoo, haha!)

[@AmazonasBiotop]

Hi@@RamonSmithMusic Yes that is different presentation from the gear and speaker. But the autistical part that do not create sound and only "treat" it is the same. This channel is about room treatment only.. So for a audio professional and a audiophile the both need the same room treatment to be able to enjoy or working in that space. Non of them will benefit or enjoy a empty room with bare walls. That is the essence and the core of the question. Am I wrong?🤔 (Audiophile and audio professionals don't want reflections from wall boundaries. Audiophile and audio professional do not want it to have a 50 Hz to still bounce around in the room 1000 ms after it left the speaker. Audiophile and audio professionals do not want the frequency range to varying ±15 dB. And so on..)

[@Mtaalas]

Audiophile is a hobby, acoustic technician/engineer/designer is a profession... I want to see your average audiophile pass the exams of the university regarding sound waves and impedance. It's very, very math oriented field :)

[@AmazonasBiotop]

@@Mtaalas OK, that might be a difference that is beside the point. The point is Jesco can speak to a broader audience and do not need to put up unessesery boundaries. Because his videos has nothing to do with sound production ONLY! His videos is about what happens after when the sound has left the speaker driver and not on downloading a plugin for protools for example. Guess what, then it is sound reproduction he is only talking about in this KZbin channel (so far anyway). Good sound reproduction is the end goal for many more than just Audio professionals it is for everyone that listening to sound (especially audiophiles that is just listening) without doing anything else. Is the word audiophile that much of a negative sounding word that nobody wants to touch it. 😉 Audiophile is the 1% that care and appreciate what the Audio professionals are doing and at some extent want to replicate their environment. 🥰 And not just keep track on witch artist played the guitar, we care about who were the audio engineer for the mastering/session or cut the lacquer and so on..

[@Oneness100]

From the people I have talked to, the major difference is that an audiophile would probably prefer a little longer RT60 rates than a studio engineer, and the audiophile would probably want both front and rear wall diffusion because the audiophile usually wants a bigger soundstage and more depth in the presentation. The guy at Acoustic Fields talks about this on some of his KZbin videos, and he caters to people that are the DIYers, and those that have more financial resources to buy pre-built treatment.

[@francisstuartmilne6600]

Very good channel. Congrats and thank you!