[sdiy] Looking for a specific sample-player/expander IC/module (Tsunami Super WAV ARM M7 module)

Adrian Corston eidorian at aladan.net
Tue Jan 11 01:08:48 CET 2022


Sorry to be coming in late on this one but a good friend of mine built 
an entire poly-synth around this readily-available ARM M7-based sample 
playback module: https://www.sparkfun.com/products/18159

His synth is pretty neat: https://www.youtube.com/watch?v=PYeXDhLF1S8

Cheers,
A.


On 11/01/2022 10:29 am, Blender via Synth-diy wrote:
> Very interesting replies, thanks again guys!!
>
> I agree there are several other options to achieve what the SAM chips 
> can do, it just seemed like a nice convenient option with fast, 
> possibly big memory. And i liked the thought of re-using somewhat old 
> chips/technology in a new DIY context.
>
> I would think at least for my purposes an ESP32 or teensy solution 
> would be the easiest alternative, and they should be plenty fast 
> enough for the rather simple sampling engine that i need. While the 
> SAM chips basically supply a kind of full fledged 
> Wavetable-Synth-Engine, i really only want simple sample 
> playback/repitching. I don't really have a clue about RAM 
> speeds/platforms/buses etc but to simply play back lets say up to 8 
> simultaneous voices, the above mentioned ESP32 base WVR board with 8GB 
> onboard flash memory should be fast enough. I managed to do the same 
> even on a rather outdated axoloti.com <http://axoloti.com> board, 
> streaming from SD-Card...
>
> But yeah, it would be great if someone could come up with a faster low 
> level implementation on an ARM/teensy based board with plenty of fast 
> RAM as Brian suggested. I agree that an FPGA is not the right solution 
> for this application, , as interesting as the tech is. Especially for 
> a simple-minded MCU person as I am.
>
> FWIW, i also finally received a response from DREAM themselves, where 
> they kindly pointed me towards serdashop as well, and confirming that 
> supplying end-customers or DIY people is beyond their workload 
> capacities ATM.
>
> Oh and also this mod-wiggler user called ixtern built a prototype for 
> a Dreamblaster-based standalone instrument as well, i am talking to 
> him as well:
> https://www.modwiggler.com/forum/viewtopic.php?t=257544
>
> Best,
> Philip
>
>
>
> On Tue, Jan 11, 2022 at 12:22 AM Eric Brombaugh via Synth-diy 
> <synth-diy at synth-diy.org> wrote:
>
>
>     On 1/10/22 12:56, Ingo Debus via Synth-diy wrote:
>     >
>     >
>     >> Am 10.01.2022 um 12:45 schrieb Loscha via Synth-diy
>     >> <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>>:
>     >>
>     >> I have a General MIDI / Controller keyboard, the CME u-Keys,
>     >> Which also has a Dream chip in it.
>     >
>     > Here’s a picture of a PCB from the MalletKat:
>
>     They're also inside the Akai MPK Mini Play from just a few years back:
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