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The Brothers Gonna Wr4k It Out (old CIA edition) [2019] |
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Pokefinder.org
User Comment
Submitted by Krill on 18 June 2019
While i appreciate all the compression effort, i'd still like to listen to something that actually sounds good, no matter the compression ratio. ;)
Also i have this hunch that nobody ever really pulled _all_ the tricks in the book for maximum sample replay quality on C-64. Like, taking all the SID non-linearities into account, applying proper resampling and noise shaping, using the full 12-bit DAC range, what have you. =)
As for this release, still need to throw this one and the other at a real C-64 (and find one with old CIA, which is the hard part) before casting votes... =D |
User Comment
Submitted by ChristopherJam on 18 June 2019
Thanks, Wacek!
And yes, realtime definitely allows more possibilities, nice work on Acid. I mostly switched to pre-rendering for this one because I wanted to demonstrate >11KHz playback with the screen on, so I didn't have as many cycles available for decrunch as I did for Wir sind die Nacht.
Interesting comparison graph there; I definitely get a much muddier sound from 18:1 compression than you do from 8.x:1. I never did manage to get rid of those spikes at harmonics of my block frequency either, which I suspect are a side effect of only having 16 different delta blocks as much as anything.
This one would have sounded a little better at 16:1 than at 18:1, but I had to increase the number of deltas per palette entry from 8 to 9 when I ran out of space for code and graphics for the length of the sample that had clawed its way into my brain.
I think I'll be dropping back to 7.8KHz for any future "screen on" efforts; at this end of the compression spectrum bits per second is probably a more useful metric than playback freqency anyway (5.5kbps for this, 11.9kbps for Wir sind die Nacht (including palette overhead in each case), or 5.2/10.4 just for the index streams).
Looking forward to seeing what you do next! |
User Comment
Submitted by wacek on 17 June 2019
Nice effort! I'm so glad you picked up the challenge. And may I say, Let's Get Brute'al might not be the last from me on the subject ;)
You might have already noticed I improved on my original routine in Acid Flashback, moving it from pre-rendering to realtime, which gives many new possibilities, which will be explored in the future ;)
Also, I cannot help myself to compare our routines a little bit. Yours definately gives a better ratio, but as you can see on below graph, mine gives much better frequency response at lower sample rate! So overall better quality in my ears...
 |
User Comment
Submitted by ChristopherJam on 15 June 2019
No ROM usage in this one - it's more the price of me being greedy and using a sample more than twice as long as the one Arise used :)
Thanks for the props for source selection. |
User Comment
Submitted by Jammer on 15 June 2019
| Big thumb up for material choice alone! Samples are slightly garbled but I know it's a price of using ROM :D |
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