[sdiy] Drum sample playback

[Mrs Paula Anne Maddox]

Quincas,

Awesome work!
Well done. 

Paula

On 13 April 2017, at 07:47, Quincas Moreira <quincas at gmail.com> wrote:

Hey! So, I got asked by Sparkfun to do a video for the Tsunami, so I went ahead and made a module with it! It's indeed an awesome little board, check it out:
https://youtu.be/wulg6GZj6oE

Best

Q



On Sat, Feb 18, 2017 at 12:12 PM, <paula at synth.net> wrote:

Quincas,

 Would love to help, but at the moment I can't due to legalities.
If someone does make one, I'd be very interested (depending on spec).

Paula



On 2017-02-18 15:13, 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> 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> 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 wrote ----

OMG,

anyone seen this?

https://www.sparkfun.com/products/13810 [1]

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

Links:
------
[1] https://www.sparkfun.com/products/13810
[2] http://synth-diy.org/mailman/listinfo/synth-diy
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-- 

Quincas Moreira
Test Pilot at VBrazil Modular

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