[sdiy] Odp: Re: Analysis of the TB-303 CPU timing

Roman modular at go2.pl
Fri Mar 17 07:25:28 CET 2017


Although I don't believe in any of those milisecond mumbo jumbo, for some reason the 3rd version in your example appeared to me as the most pleasing one. I'm not trying to say which CPU it was, but it sounded aparently different to me than the other 3.   OTOH I wouldn't be surprised if you tricked us all and this is the same recording quadrupled with a bit of postprocessing. :)   BTW I love this thread. TB303 was one and only reason to make me go back to synth-diy back in 1998. I would be making boring industrial stuff now if that 303 hype didn't came up back then.   Roman  Dnia 16 marca 2017 18:49 Julian Schmidt <elfenjunge at gmx.net> napisał(a):  hmmmm, my first try says it's probably not worth the hassle.   Or can you hear a difference?       soundcloud.com soundcloud.com      CPUs used in random order:   QS, RE-CPU, TB, RE-CPU with extra sloppy timing (double the latency
    double clock polling time (3.6ms)   All normalized to -1dB      julian        Am 16.03.2017 um 13:32 schrieb Tom
      Wiltshire:   On 16 Mar 2017, at 11:43, Julian Schmidt <   elfenjunge at gmx.net >
          wrote:   So I
            could record a few patterns with different CPUs in the same
            synth hardware to exclude influences by differences in the
            analogue part of the machine or different knob settings.       Would
            be interesting to find out    A) If
            people can hear the difference between original sequencer,
            emulated sequencer and a tight sequencer    B)
            What listeners prefer if they are able to distinguish it.       maybe
            even add a 4th audio example to the test where the jitter
            and latencies are increased slightly?   I think this would be very interesting. There's a lot of
        hand-waving and magic around this little silver box and not much
        in the way of hard facts, so some serious research like you've
        been doing is extremely welcome.   If you be bothered, setting up the test as a blind study so
        people don't know which file they're listening to, and then
        asking which one they think they heard and how much they like it
        would definitely be the best way to proceed, but I realise the
        work involved.   Thanks very much for what you've done so far. It's
        fascinating.   Tom  ______________________________  Synth-diy mailing list   Synth-diy at synth-diy.org  synth-diy.org synth-diy.org
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