[sdiy] Drum sample playback

[Henry Birdseye]

If that happens, I want one!


On 2/18/2017 10:13 AM, Quincas Moreira wrote:
> very cool! Let's make a Euro panel for it, who's game?
>
> It does another thing that VST/Au cannot...  Function without a host 
> computer :)
>
>
>
> On Sat, Feb 18, 2017 at 5:46 AM, Matthias Puech 
> <matthias.puech at gmail.com <mailto:matthias.puech at gmail.com>> wrote:
>
>     Hi,
>
>     Yes, it looks like an interesting little board. What is that
>     impressive though?
>     I didn't know about this particular codec, it could be handy in a
>     module design. Now if I put aside SDIO throughput (which I don't
>     know much about), it doesn't seem that surprising to be able to
>     read 32 samples at the same time. We can already achieve 32+
>     linearly interpolated voices on an STM32F4 (Cortex-M4 @ 200MHz) at
>     48kHz, and the M7 has far better performance (300MHz, better FPU)
>     so there should be room for better interpolation (or more
>     polyphony). Am I missing something?
>
>     Best,
>         -m
>
>     On Fri, Feb 17, 2017 at 11:45 PM, Richie Burnett
>     <rburnett at richieburnett.co.uk
>     <mailto:rburnett at richieburnett.co.uk>> wrote:
>
>         That's impressive!
>
>         It's usually the resampling that takes the majority of CPU
>         cycles with sample playback. So for a given amount of CPU
>         power you can either have tons of voices that alias like hell
>         when you transpose the samples or a quarter of those voices
>         with nice clean detuning of the samples. I suspect this is
>         where they might have cut corners.
>
>         Of course if you want to pitch up a Hi-hat sample and the
>         playback module has crap resampling, then there's nothing to
>         stop you transposing the sample in a decent audio processing
>         package first before sticking it on the sd card.  (That's what
>         I used to do with my old Akai S01 sampler that had crappy
>         linear interpolation, and turned hi-hat samples into rustling
>         paper bag sounds as soon as you touched the transpose control!)
>
>         -Richie,
>
>         Sent from my Xperia SP on O2
>
>         ---- paula at synth.net <mailto:paula at synth.net> wrote ----
>
>         >OMG,
>         >
>         >anyone seen this?
>         >
>         >https://www.sparkfun.com/products/13810
>         <https://www.sparkfun.com/products/13810>
>         >
>         >upto 32 samples playing back at the same time, built in MIDI,
>         8 outputs
>         >which can dynamically assign. Just WOAH
>         >
>         >Paula
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>
>
> -- 
> Quincas Moreira
> Test Pilot at VBrazil Modular
>
>
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