[PD] Multiple audio outputs on a single-board computer ?

[wolfgang spahn]

no really, but their other (stereo) card works great!
https://dernulleffekt.de/doku.php?id=puredata:main 
<https://dernulleffekt.de/doku.php?id=puredata:main>

Wolfgang

Am 18.03.21 um 10:24 schrieb Pierre Massat:
> Thank you all for your replies. I didn't even know surround soundcards
> existed. This looks promising given my budget.
> In the meantime I found this :
> https://shop.audioinjector.net/detail/Sound_Cards/Octo+RCA+sound+card
> Anybody has experience using it with Pd ?
>
> Cheers,
>
> Pierre.
>
> 2021-03-17 17:53 UTC+01:00, Lorenzo Sutton <lorenzofsutton at gmail.com>:
>> On 17/03/21 07:42, Pierre Massat wrote:
>>> Dear all,
>>>
>>> I haven't posted anything on this list in years.
>>> I'm trying to build a system to play several sound files in a loop,
>>> each around 2 minutes in length, all at the same time. By "several" I
>>> mean 10 to 15 different files. While I'd have no problem making a Pd
>>> patch to achieve this, I have no idea what hardware I could use. I
>>> have a limited budget, and I was planning on running Pd on a Raspberry
>>> Pi (or similar single-board computer).
>>>
>>> Is there any cheap way of outputing than many channels from a single
>>> (a couple of) RPi ?
>> How many are 'many' :-)
>>
>> If it's <= 8 channels and you don't care (too much) about latency you
>> could check out a cheap '7.1' USB card (these can cost less than 30 euro
>> online) and if it exposes 8 writable inputs via jack that could work.
>> The physical outputs of these are, of course, unbalanced and in couples
>> so you'd need to do some cable splitting and then maybe have a mixer
>> nearby...
>> I never did this on the RPi but I _did_ something similar with a cheap
>> 5.1 usb sound blaster hooked to a laptop in the past.
>> I'm assuming, of course that each file would 'consume' just 1 channel...
>>
>> YMMV.
>>
>> If you want more than 8 output channels it will be hard to stay 'cheap'
>> (which of course depends on 'how much' is your limited budget), and then
>> - of course - you need to check linux compatibility (i.e. if they are
>> 'class compliant'...)
>>
>> My two cents,
>>
>> Lorenzo.
>>
>>
>>
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>
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-- 

_________________wolfgang spahn_______________________

Art of Sound and Vision_______________________________
Faculty Member, Sound Studie and Sonic Art, UdK Berlin

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