Jeroen Tel - "After Burner (C64) - Title Theme" [Oscilloscope View]

[@acrouzet]

If the video looks messed up, try this one: kzbin.info/www/bejne/oH3MlHaDjsejeNk

[@NEStalgia]

Yes, it's bugged. This is happening to more people than me. I hope this gets fixed😢

[@AlexParr]

Still don't know why the hell KZbin decided to butcher _this_ song specifically. :/

[@sir_lancelot7915]

@@NEStalgia Sadly it won't ever be, the YT Mobile app sucks, and it's still not fixed, so based on that, I would say this won't be fixed in the foreseeable future

[@HdgsxhDhdc]

What the hell happened? It was fine.

[@CatFace8885]

@@AlexParr is YT's servers having bit rot or something?

[@JeroenTel]

Thanks, for another great upload, acrouzet! =) When I composed/produced/whatever this... I was sitting in my brother's bedroom @ Harmoniestraat 77 and finished the main tune between school-out and dinner... however, I did record/record the vocal samples beforehand... Strange, but cool memories after all these years. =) The only reason being that we only had one C64 and we swapped it from room to room every week. =D

[@PeriapsisStudios2000]

Correct me if I’m wrong, but you were sixteen when you composed this, right?

[@SamToz]

The bass is the same as the Nintendo DS 😯

[@shiru8bit]

@@PeriapsisStudios2000 this song was in fact originally composed by Hiroshi Kawaguchi, who was 22 at the time. Nevertheless, Jeroen did an amazing SID rendition, both arrangement and tech wise.

[@JeroenTel]

@@PeriapsisStudios2000 15

[@JeroenTel]

@@shiru8bit I will never ever argue about original composers... I just got the freedom to "arrange" it my way when I had the chance to do so... I'm an amazing fan of Hiroshi... one of my heroes I never met (met most of the others, luckily).

[@DJBisGOD]

Jeroen has been a long time friend of mine (nearly 30 years), and this is one of the tunes he did on C64 that I really think stands out. So much atmosphere and talent. I am honestly proud to say that I've known him for as long as I have.

[@PeriapsisStudios2000]

Jeroen was sixteen years old when he composed this. Just let that sink in.

[@MathieuWXYZ]

The original was composed by Hiroshi Kawaguchi.

[@aboriginalmang]

@@MathieuWXYZ composing on a sid chip using assembly codes is significantly harder than composing on a paper

[@Roxfox]

@@aboriginalmang I think the point was that he did not actually write the music. It's my favorite version of a brilliant melody, but he did not come up with it.

[@MediocreHexPeddler]

@@Roxfox This is why, in the music writing world, there are two discrete terms for the original writer and one who rewrites it for different instrumentations or styles: Composer and Arranger.

[@EpicTyphlosionTV]

Why the fuck are all these demoscene musicians so young when they make amazing shit?

[@elijahvincent985]

I love being Facebook buddies with Jeroen Tel! He's still always posting new updates for Maniacs of Noise, AND *still* making new music for good ol' SID!

[@GiordanDiodato]

He also did MYTH: History in the Making

[@RolfRBakke]

How did I miss this little gem? Turn off resampling to get rid of those small spikes on the squarewaves :)

[@boxritter]

How can i download this sid oscilloscope program? Someone said you made it!

[@boxritter]

?

[@fghsgh]

@@boxritter So you responded to a 2 year old comment and expected an answer? Anyway, the most commonly used program to generate oscilloscope views like this is currently corrscope. Acrouzet also uses it in his newer videos. You can just Google for it. For getting the sound though, you either need a real SID (expensive these days) or a SID player like JSidplay.

[@boxritter]

@@fghsgh or I just hook the Speaker out to my oscilloscope. These are rare in my area but i own one for electronic building. Goes to 40 MHz

[@DogsRNice]

Boxritter9999 unless you can get video out of it it wouldn’t look as clear as a software based oscilloscope

[@TheOriginalWakko]

@JeroenTel It is absolutely mind-blowing that you arranged this in your teens! given the hardware constraints, you still managed to accomplish some true masterpieces for the C64.

[@Cartoons-by-Kirby]

This has got to be one of the best showcases for the SID chip! Sometimes I feel that many games were chucked out so quickly that the programmers were never able to fully utilize the chip

[@DOSv622]

I used visit a little shop that sold baseball cards, comics and Commodore computers. Saddest day of my young adulthood was when they decided to phase the C64 stuff out but I picked up a copy of this version of After Burner from their clearance sale. When I got it home and booted it up my jaw hit the desk when I heard this theme music. I’d never heard anything like it from my C64. Later I picked up a copy for the Amiga 500 and while the game play was vastly improved on the Amiga I was disappointed that the music couldn’t touch this.

[@JeroenTel]

Thanks, +Rich Loga ! =)

[@pschiptunes64]

That is just the power of Jeroen Tel! His music always sounds good no matter what system he makes music for.

[@speedsterh]

I had the same experience (jaw dropping) when I first heard Skate or Die's Title tune from Rob Hubbard. It also mixes 3 voices + 1 digi voice, a first in the C64 history methinks

[@dudinacas]

The melody at 1:30 sounds amazing through the SID chip.

[@_ponkachonka]

yeah this is actually my favourite part!

[@104d_3rr0r_vince]

This is the pinnacle of SID manipulation. Hail to the mighty Jeroen Tel.

[@jammerc64]

It's not ;) But, stil, hail to the master ;)

[@darwinc9294]

What about Tim Follin?

[@104d_3rr0r_vince]

@@darwinc9294 and Adam Gilmore... the list is endless.

[@LunaOfTheStarsMusic]

@@darwinc9294 What about Rob Hubbard

[@RedTsarOldChannel-INACTIVE]

@@LarsTragel-zh7ei Lol. It's actually not true lmao,and there is a reason why he's still composing for the SID.

[@LionRage32]

This song is a masterpiece, I still can't believe it's from an 8-bit console. Great job Jeroen Tel

[@Locateson]

It's not from a console, it's a proper personal computer

[@tiffanyaa]

It's definitely got that 8-bit sound, but it really doesn't feel like it could be 8.

[@GiordanDiodato]

@@Locateson home computer

[@traumatizedgeworth]

@@tiffanyaa this is on a soundchip from 1982 made for a consumer home computer

[@tiffanyaa]

@@traumatizedgeworth I know, I have a C64 😅

[@ksaspectre]

0:43 is so insanely amazing.

[@GraveUypo]

wow this helps me understand SO MUCH of what makes the texture of a sound wave. awesome video.

[@maxrichards5925]

I love this cover. Hearing it for the 400th time doesn’t get old for me. Truly a musical masterpiece.

[@gereniccc4487]

its a cover? also what song is it covering

[@maxrichards5925]

@@gereniccc4487 Well it’s the after burner 2 track from Sega’s arcade boards, then covered by the C64

[@DixieChix]

5:10 There it is; I almost thought this wasn't going to include that part, but look at that, it's actually there lol Took a while tho, but it was definitely worth the wait ;)

[@iscander_s]

Ohhh man, this part is so good!

[@kenflagg]

So awesome to see the pulse width get modulated on those square waves in real time!

[@IgkuitBBswm]

Man... I remember loading this up and just letting this opening play over and over!

[@JeroenTel]

Ecactly the reason I took on the challenge... 🙏

[@daibonehead]

Back again to listen to this masterpiece. Samples used to augment the track. They aren't there for the sake of it and don't overpower the tune. Love this track. When I was a kid, it was hard for me to let anyone intro my personal pantheon of Sid musicians. That group contained Hubbard and Galway. I wish I had been mature enough to allow Tel into it. He's there now!

[@AlexParr]

Why did KZbin suddenly decide to do this oscilloscope dirty?!

[@TheGoofy-Mouse]

because KZbin is dumb

[@Deficard]

thats strange. the video looks like it greys out every few seconds, with only the moving element clearing it up. but when i look at pictures while i slide the playbar, it looks normal. i think that phenomenon is strange, and now i just knew i wasnt alone. that glitch must have been very rare

[@Null42x86]

OMG this sound like a 16 bits console!

[@guys_animations]

"WAH"

[@roilo8560]

I could mistake this for a genesis song tbh

[@guys_animations]

@@roilo8560 naah... SOUNDS WAAAY BETTER THAN THE SEGA GENESIS

[@roilo8560]

@@guys_animations I very much disagree

[@ExtremeWreck]

@@roilo8560 I wonder if you could recreate this in GEMS by messing around with the instrument customization settings.

[@ryzmaker11]

A crazy take on this legendary tune :D Also, yet another version with the lead melody (not saying that it's better with it but it's funny how this wasn't in the arcade yet so many ports have it).

[@bangerbangerbro]

You sure it wasn't just using some practically inaudible timbre?

[@RED40HOURS]

@@bangerbangerbro ?

[@theslowestpizza6762]

Voice samples?? I don’t know if I ever heard that one in an Afterburner cover before! C64 composers amaze me tbh

[@JeroenTel]

On behalf of all of us, alive or dead, thank you. =D

[@TargetRenegade]

Did you ever listen to the version in Sonic and Sega All Stars Racing Transformed?

[@ExtremeWreck]

@@JeroenTel And to think it was because of a glitch in the system's coding.

[@JeroenTel]

@@ExtremeWreck Actually a very nice feature in the SID chip that the volume could be set to 16 settings. Actually identical to how a compact disc (cd) plays, but only in 4 bits instead of 16 bits. Just needed the program to exploit it. =)

[@hydraulicsystems332]

@@JeroenTel how was the voice sampled? Is it your voice?

[@LondenTower]

4 channels, and the melody track is even here. Jeroen actually burned all of Sega's arcade division. (God the SID chip is so powerful man)

[@GiordanDiodato]

and good thing it was the NA version cause the Euro version is crap

[@NikodAnimations]

Artificial PCM is used

[@DogsRNice]

I like how the sample “channel” looks like it’s at some kind of angle

[@oscwavcommentaccount]

same. it's the high pass filter doing that.

[@ruby_R53]

​@@oscwavcommentaccount i was about to say that :D that's not the high-pass filter, though. it's actually the low-pass + band-pass, they both get turned off for a very short amount of time during the song.

[@snowy707-l5x]

I FINALLY FOUND THIS SONG AFTER YEARS omfg

[@manixburn6403]

Welcome home ;p

[@senormonkey98]

I swear this sounds eerely familiar with the Corneria Theme on SNES?

[@64Abstract]

+Lorenzo yeah I think the same

[@AlluMan96]

Which makes me wonder whether Star Fox's composer took inspiration from this, if there is a deeper influence that Jeroen took from in the first place or if it's all just a coincidence.

[@bangerbangerbro]

Exactly this. I always thought this theme and Coneria from Star Fox/Wing sound suspiciously similar. And of course it would be the Star Fox composer doing the plagiarism.

[@StarPunch]

@@AlluMan96 this is a remix of the theme from the original after burner, of which the C64 version is a port. while it's more likely the star fox composer took inspiration from the original version, there's a common thread anyway kzbin.info/www/bejne/gKqsenh4gs2SaM0

[@ExtremeWreck]

@@StarPunch I won't be surprised. Jeroen Tel influenced several composers.

[@SwedishWargoat]

Great stuff as always

[@ThyUnnamedFox]

My favourite videogame theme. Cheers mate.

[@zzzsn6058]

so fascinating

[@bigfoot5185]

OMG IS THIS TRACK MADE BY 17 YEARS OLD AT HIS SCHOOL PERIOD IN NEDERLAND 😲 WHAT THANK YOU JEREON TEL VON MAROKKO

[@nopainnoyeet4225]

Congrats on the 100k views!

[@zenithquasar9623]

INCREDIBLE!!!

[@tiffanyaa]

Among the best sounds to have ever come out of a hunk of metal (and plastic). I'm 4 years older than Tel was when he put this together and I could not for the life of me make anything even close to Afterburner.

[@f.k.b.16]

That is super impressive!

[@todensarg]

Damn youtube screwed up the oscilloscope :(

[@NEStalgia]

Did this happen to you too?! I'm watching it now and I thought this was just happening to me

[@todensarg]

@@NEStalgia yeah, this problem has happened to other channels which have oscilloscope views like this one (for example Abstract64)

[@NEStalgia]

@@todensarg That's regrettable... I hope YT fix this problem soon. The platform also messed up one of my videos once The channel owner made another upload and warned in the pinned comment of this video

[@hallomeinnameistkarl216]

this also happened with silver surfer

[@Gorette66]

Holy shit, this is some serious black magic audio technical wizardry right here!

[@zzzsn6058]

this is so amazing

[@magmatri-studios]

This seriously is the greatest chiptune music I've ever heard.

[@Lordy-Lord]

I gotta be honest, this kicks the shit out of corneria.

[@JeroenTel]

Corneria or Corona? =D

[@Lordy-Lord]

Both, also you made awesome music dude.

[@dmer-zy3rb]

more like gonorrhea.

[@ttrueplaya]

Wow... The tune I missed. And really thought of it as being originally handmade by Mr. Dubmood. Well. Now I must say both original choon and dubmood's remake are superkool!!

[@MarkxUK1]

SID doing amazing things here, like its own bit of LA synthesis :)

[@loganschmidt2008]

That music is so badass

[@7zip731]

THE BEST MUSIC IN C64

[@kqzo]

if vinylcheese ever does a 2a03 cover of this

[@cemstrumental]

Why 2A03?

[@kqzo]

@@cemstrumental he did a good 2a03 cover of cybernoid 2 and it seems like this would sound good on the 2a03

[@BottomOfTheDumpsterFire]

Add in the Sunsoft bass

[@bangerbangerbro]

Yeah there isn't any existing NES version of After Burner already is there? Only clones.

[@ExtremeWreck]

@@bangerbangerbro Sunsoft, & Tengen: kzbin.info/www/bejne/nl6baJ5tZ56pbqc

[@oldbrokenhands]

Man this thing is so 80's, it makes me feel like I'm wearing tight jeans with cotton briefs.

[@bangerbangerbro]

Doesn't sound very 80s to me. Just stereotypically video gameish. Very good though.

[@ExtremeWreck]

@@bangerbangerbro Yeah, I get a more mid 90s feel with this one.

[@seganesergrafxvision64_92]

Gives me top gun vibes for some reason lol

[@LocoMiguel]

I think After Burner took a lot of inspiration from Top Gun

[@silverthecatastrophic5270]

I looked up a few other versions of the After Burner theme, and none of them even compare to this. Jeroen, you absolute legend

[@LordTex243]

Fantastic tune 👍

[@airworldpremium4472]

0:39 Oh boy! Showtime!

[@zzzsn6058]

UGH ITS SO GOOD I NEED IT ON SPOTIFY PLS

[@_ponkachonka]

ahhh I love dis song so much

[@manixburn6403]

Landscape of emotion with few bits and dancing electron. I feel like running with a massive cannon under my arm. ;p

[@64Abstract]

Look like Corneria from StarFox Great job Jeroen

[@JeroenTel]

Thanks, Pakin! =)

[@pupperpuppydog9901]

i feel like this playing really loudly far away would be really creepy with the right context

[@zzzsn6058]

keep coming back to this i fucking love it man

[@Legnog822]

Something about this song slaps so hard when I'm sad

[@TamagotchiFan128]

KZbin done deep fried the video

[@surfinbirdzx]

So damn good. Tel is a genius.

[@metarotta]

ngl the melodic samples kinda sound like sunsoft's melodic samples

[@Panchyishere]

neuro / op-oc lol it’s pretty much the same principle

[@RedTsarOldChannel-INACTIVE]

Jeroen Tel looking at a C64: This is the same thing as a Roland synthesizer, right?

[@TheBeeshSpweesh]

How did you separate the 4-bit samples from the 3 SID voices?

[@acrouzet]

The newest version of JSIDPlay 2 allows for samples to be muted.

[@JeroenTel]

Hey +stinkerb06 ... we used the volume register to intertwine between max and 0 volume, which quite literally is what samples are... losing half the volume, but voila! An extra voice! :-) We had volume $00 and $OF (hex) or 0 and 15... the average volume became 8 when using samples and that allowed for samples et al on the C64

[@SomeOrangeCat]

Well, he's a sorcerer you see.

[@AnnoyedArt1256]

Jeroen Tel so 3-bit or 4-bit samples!

[@guys_animations]

@@AnnoyedArt1256 3bit

[@Z-Mat]

Jeroen Tel ist sowas von Kult !!!

[@ExtremeWreck]

I honestly kind of wonder how popular Tel is in his home country of the Netherlands compared to say, the UK or Germany. I would assume that his British fanbase is bigger, but I wouldn't know for sure.

[@Leonardo-iz4qu]

I don't think you are well known in your country European chiptune composers are underrated

[@ExtremeWreck]

@@Leonardo-iz4qu Oh certainly. I don't think a lot of people have heard of my Beepbox music.

[@jacksonshelton8055]

Does this song use the same percussion and bass samples as Koud He???? It certainly looks and sounds like it. They were also released the same year.

[@JeroenTel]

yes, some samples I used from the same (limited) sample-library, it was not easy to get samples on the C64.

[@JeroenTel]

I still hope you like the tune. Most rap artists use Roland drumcomputers BEFORE my days.

[@Deficard]

this video is strange now.. the video looks like it greys out every few seconds, with only the moving element clearing it up. but when i look at pictures while i slide the playbar, it looks normal. i think that phenomenon is strange, and now i just knew i wasnt alone. that glitch must have been very rare. however, i saw a new link, so the glitch cleared

[@craigtheduck]

damn, got the C64 to sound even better than the Amiga barring the slightly higher than average noise floor in the PCM channel

[@TheWorld487]

OMG. This is better than the arcade’s one.

[@novostranger]

i heard a voice saying daka daka fire fire ! (KABOOM)

[@kqzo]

sounded to me like "nine o'clock, f-f-fire fire fire" since in most aviation terminology, directions were referred to with clock positions for example if someone told you to check your nine o'clock, they mean to look directly to your left

[@JeroenTel]

@@kqzo Yes, I said... Nine-o-Clock... F-F-F-F-F-Fire... indeed referring to the indication of how a fighter pilot would address the direction the opponent is at. ;-)

[@ShallRemainUnknown]

Seems like FIVE voices: 1. Samples of kick drum/bass drum/vocal samples /orchestra hits 2. Bass 3. Oscillating chords/digital "rhythm guitar" 4 & 5. Lead pad/guitar looks like 2 voices on oscilloscope and sounds like it

[@asdf_]

that effect can be simulated but technically speaking all the digital samples are on one channel - they just switch very fast

[@ShallRemainUnknown]

@@asdf_ Thanks for the reply, and, yes, it MIGHT be very clever timing in conjunction with multiple samples each comprising different layers of instruments (suck as kick only, kick + snare, kick + bass, kick +bass + snare). I considered that, but after viewing the oscilloscope and careful repeated listens, it really seems to be 5 voices. Whatever it is, quite remarkable...

[@benanderson89]

@@ShallRemainUnknown It's just switching the samples very fast. Same composing techniques people used for the Amiga.

[@ShallRemainUnknown]

@@benanderson89 Definitely possible, I listened again, trying to see if bass sample and snare sample are doubled at any point. Couldn't tell for sure, but maybe not.. Bass drum and synth slap bass definitely are layered at many points, so they must have one layered sample, and one slap bass only. Would love to hear the sample playback track isolated, especially for the tricky portions...

[@benanderson89]

@@ShallRemainUnknown It's layered samples. It's proper name is resampling.

[@Abrimaal]

I see, two middle channels are arranged to play stereo spatial sound, but SID was mono. Was it technically possible to output each channel separately? In the real chip, I don't mean emulators.

[@ruby_R53]

i don't think so, the sid chip has only 1 pin for the audio output, which means there's no way to get stereo with it outta the box. why do you think the two middle channels are arranged to play stereo spatial sound, though? stereo wasn't very common back then.

[@Abrimaal]

@@ruby_R53 Minimal differences in wavelengths create stereo effects

[@ruby_R53]

@@Abrimaal ah, i get it now xd

[@OMundodosRetroGames]

Where is that 4th channel coming from? The SID had only 3 channels! This is awesome!!

[@macstevins]

if you change the master volume from 0 to 15, youll hear a pop, this is due to a hardware bug, now do it alot of times, you can get samples, thats where this 4th "channel" or virtual channel comes fron

[@eddieloius4592]

if only they could have had a dedicated cpu for handling all audio duties

[@bangerbangerbro]

A little overkill. Spectrum needs it more. Elektronika UKNC sort of has that.

[@BikeNutt1970]

NTSC version sounds way better than PAL. Tempo suits the game's urgency.

[@w4lsh]

No it doesn't, PAL is the intended speed.

[@BikeNutt1970]

@@w4lsh Wrong. JT himself confirmed this was written specifically for the NTSC version. Listened to at 50hz it sounds lethargic by comparison.

[@w4lsh]

@@BikeNutt1970 Why would a European compose music optimised for NTSC? It makes no sense but if you say he confirmed it, fair enough.

[@JeroenTel]

​@@w4lsh​Because it was for the US market. We simulated the 60 Herz (NTSC). Maybe it came out even better when the programmer decided to play it even faster thinking we created the file at 50 Herz and assumed it should be played at 60 Herz... haha! =D

[@w4lsh]

@@JeroenTel Thanks for the explanation!

[@MilesPrower1992]

I think the composers of Star Fox were very inspired by this, I hear a very strong resemblance

[@SpiralPegasus]

More like "made an almost carbon copy". For the first solid 30 seconds I thought I was listening to Corneria.

[@JeroenTel]

Ironically I did the music and sound design for the Dutch version of the commercial for Star Fox, as well... in 1993... the sound quality of the KZbin video doesn't do it justice, though, but fun to have found it anyway! kzbin.info/www/bejne/mpbNn56HnNtre7M

[@nikolaremi5793]

Фантастично............

[@vejin9]

How is that possible that other tunes have three tracks and other ones like this one has four of them?

[@pschiptunes64]

next thing you know I have an improved version made with corrscope 2 years later

[@HappyBeezerStudios]

mezmerising!

[@kke]

I've been wondering, as the digi sound is made by changing the SID volume, why doesn't it affect the volume on regular channels?

[@JeroenTel]

It averages out at 50% of the "regular" output volume. 😎

[@olafberend8837]

Is the use of audio you uploaded here free to use in a video without osci? May I ask for permission, if source and composer is named?

[@JeroenTel]

I am the author but you'd likely have to ask SEGA.

[@markwrightrf]

Genuis with a capital Je.

[@ShwappaJ]

I can't tell which one I liked more, the Sega Genesis version or the C64 one.

[@infinitecanadian]

How does it have a fourth channel?

[@katie2940]

It doesn't, that's not a real channel. It's a visualised version of a glitch jeroen took advantage of to produce more sounds

[@infinitecanadian]

@@katie2940 A glitch? How does it work?

[@katie2940]

@@infinitecanadian whenever a volume register on the sid chip is altered, there is an audible click sound. The clock varies in volume depending on how much the volume register is changed. If you play a sequence of volume changes fast enough the clicks can essentially become a sample. So basically you sacrifice about half volume for a fourth 4-bit sample channel

[@infinitecanadian]

@@katie2940 It would require some serious work to master that.

[@katie2940]

@@infinitecanadian it would, but somehow some absolute wizards managed it

[@Kirbman]

Wait, I thought the C64 only had 3 channels.

[@greenytoaster]

you can play 4-bit samples by rapidly changing the master volume

[@Kirbman]

@@greenytoaster That doesn't explain why there is a 4th audio channel.

[@greenytoaster]

@@Kirbman the 4th audio channel is just the master volume

[@Kirbman]

@@greenytoaster Oh, okay. I didn't know it worked like that.

[@greenytoaster]

@@Kirbman the more you know

[@electronicmusician]

i just loaded the game afterburner on my c64 but the music sucked, it wasn't this brilliant track that you find here on youtube.what am i doing wrong?

[@acrouzet]

Is it the US version, or the European version? The US version is the one which has this music.

[@JeroenTel]

Afterburner USA is what this is, sir. Not "Afterburner"

[@Sonictrainkid]

I remember this from Sonic And All Stars Racing Transformed.

[@datoaster4991]

I thought the c64 only could do 3 sound channels how can this song have 4?

[@76tamai]

Sounds like C64 Famicom.

[@shagheadguy4805]

𝑂ℎ 𝑏𝑜𝑦...

[@Irongrip62]

Does the 4th channel look like its tilted to the right to anyone else? As if going into the screen as if it was 3D?

[@JeroenTel]

Sounds right to me, it's the sample channel, not a 50 Herz update, but a 8000 ish update one. =)

[@megalep7025]

Hmm..I think something in the beginning here reminds me of some music in a vietnammovie....anyone know if i'm right? Anyways, love it!

[@megalep7025]

No, it's a memory of something from the doors I think....

[@RoshwyinsTaicoon]

Why is there 4 channels? I'm assuming that's a DPCM?

[@ruby_R53]

it's a pcm channel made by manipulating the clicks produced by the master volume dial when the volume gets changed, so many composers took advantage of that quirk to make it play pcm samples in 4-bit, since the volume dial's 4-bit (which means, the volume ranges from 0-15). only the 6581 got that, commodore fixed it on the 8580, making those samples nearly inaudible, so people had to make a hack for being able to hear those samples on the 8580, called "digiboost".

[@RoshwyinsTaicoon]

@@ruby_R53 oh okay, thanks.

[@ruby_R53]

@@RoshwyinsTaicoon no problem.

[@NEStalgia]

​@@ruby_R53 Interesting to read your comments about SID music here. Do you write tunes for C64 or are you just an enthusiast?

[@ruby_R53]

@@NEStalgia i'm just an enthusiast, i'm too dumb to make music. i'm working on a fork of sidplayfp though, just some improvements and details on top of the original thing. thanks for noticing me, by the way :)

[@patton72010]

Commenting here before Jeroen.... oh, he commented already..

[@BlackbeltHitoshi]

The commodore 64 only had three voices, so this wasn't possible.

[@jiriwichern]

It was. You could manipulated the 6581 SID global volume level to play 4-bit sampled audio due to a hardware bug in the chip.

[@BlackbeltHitoshi]

@@jiriwichernso you're saying that I could use sampled drums with a fourth channel?

[@jiriwichern]

​@@BlackbeltHitoshi You have only a 4 bit resolution and a limited sample rate of a few kHz, max, so you won't hear the high frequencies form, say, a snare, but yes... if you can fit the samples in RAM (plus the rest of the music) and you know well how to utilize the processing time available for writing instructions to the SID chip (so you can both play your samples by manipulating that volume register fast enough and manipulate the 3 usual channels), this should be possible. By the way, there also seems to be a way (found quite recently) to manipulate one of the three channels in PWM mode to play audio samples with up to 8-bit resolution. If you mix your samples in software, you could basically play whatever you want within the limit of your system memory. For an example of that, search for the number 'Fanta in Space' (2008).

[@jiriwichern]

@@BlackbeltHitoshi You have only a 4 bit resolution and a limited sample rate of a few kHz, max, so you won't hear the high frequencies form, say, a snare. But yes... if you can fit the samples in RAM (plus the rest of the music) and you know well how to utilize the processing time available for writing instructions to the SID chip (so you can both play your samples by manipulating that volume register fast enough and manipulate the 3 usual channels), this should be possible. By the way, there also seems to be a way (discovered quite recently) to manipulate one of the three channels in PWM mode to play audio samples with up to 8-bit resolution. If you mix your samples in software, you could basically play whatever you want within the limit of your system memory. For an example of that, search for the number 'Fanta in Space' (2008).

[@jiriwichern]

@@BlackbeltHitoshi Hmm, I had a more in depth answer for you but it seems to disappear all the time. KZbin deletion algorithm at work? Anyway, you only have a 4 bit resolution and a few kHz of sample rate for it... but if you can keep all your samples and the rest of the instructions of your music in RAM and have enough processing time to manipulate the volume register and other 'usual' SID instructions it should work out.

[@robbiew73]

this is a bit faster than I remember it.. is this an NTSC C64 playing it? 60Hz instead of 50Hz..?

[@acrouzet]

I believe this is 50hz, although I may be wrong as this was created for the American release of the game.

[@JeroenTel]

It was made for NTSC (USA version)... ;-)

[@robbiew73]

@@JeroenTel - when they asked you to do the music for it - did they give you free reign on allowing samples for the drum track and the length of the tune? or was it a case of you've got 'this amount of Kb' and 'this amount of raster time' for the music make sure it fits in that space.. ?

[@JeroenTel]

@@robbiew73 X amount of Kbytes and "feel free to make it cool with samples"... basically. =D

[@supakusuta]

How are there 4 channels?!

[@pschiptunes64]

A volume thing. JT might see this comment, and since he knows it all, he can explain better than I.

[@supakusuta]

@@pschiptunes64 alright, I'll ask him.

[@bangerbangerbro]

Why 4 channels?

[@binarypench]

How were the samples made?

[@JeroenTel]

By.... wait for it.... sampling it! =D

[@binarypench]

@@JeroenTel How did you get the samples to play along with the SID Chip?

[@oscwavcommentaccount]

@@binarypench its by changing the sid volume very fast. this way of playing samples works the best on a 6581 sid.

[@kqzo]

those first few seconds sound similar to the Razer1911 cracktro for gta 4

[@TheEssem]

yeah, the tune used in that is a cover of this by dubmood