piSound soundcard

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effebal posted Jan 24, 10:27:

Just for sharing with the samplerbox community.
Googling on the internet I've found this interesting soundcard https://blokas.io/
What is interesting is the SPI IO & OUT midi interface and the 192khz 24bit 6.35mm audio jack for input-output sampling (with gain controls).

Someone in their forum has succesfully built samplerbox:
https://community.blokas.io/t/using-pisound-to-do-a-samplerbox/206/10

I've no relations with this project, but it looks a very good solution for musicians. The only missing part is the display, but it could be possible to add this feature using the extension header.

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Rajiv Deo posted Jan 27, 16:59:

Cost of PiSound is too high 99 Euro. DIY options are far cheaper.

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Ted posted Feb 1, 14:50:

Yeah... I feel like the specs on the dac are a bit overkill, using 192khz 24bit samples would get you either really large latency or audio glitches with anything more than three or four samples, esp. if its stereo.

The SPI - MIDI interface part is really interesting though, I agree. I feel like it would save the pi CPU from the bulk of the Irq's, wish they'd developed separate midi and audio ifaces.

...

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