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 Forum index » DIY Hardware and Software » ChucK programming language
ChucK/miniAudicle with multichannel audio
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DrDoug



Joined: Feb 14, 2011
Posts: 2
Location: Cambridge

PostPosted: Fri Nov 24, 2017 8:03 pm    Post subject: ChucK/miniAudicle with multichannel audio Reply with quote  Mark this post and the followings unread

Just spent a while getting ChucK to work with multichannel output, and thought it might help to share how I eventually managed it.

I'm running Windows 10, with a Firewire connection to a MOTU 828 Mk I audio interface with 8 ins and 8 outs. I haven't yet tested this on a Mac.

- Download and install JACK from jackaudio.org.
- Run the JACK Audio Connection Kit app, click Setup and choose "ASIO::MOTU Audio ASIO", then click Start.
- In ChucK/bin you'll find an ASIO build (chuck ASIO 1.3.4.0..exe) - the non-ASIO build doesn't seems to support multi-channel audio.
- Run this (I renamed it as chuckasio.exe) with the --probe option to find the device number of the audio interface.
- On my system ChucK crashed, but fortunately after it had told me I needed device number 3. So the command *should be*
chuckasio --dac3 --adc3 --in8 --out8 test.ck
- However there's a bug in parsing --dac (see https://github.com/ccrma/chuck/issues/82 - thank you jack461!)
- The workaround is to put an extra character before the dac device number, i.e.
chuckasio --dac_3 --adc3 --in8 --out8 test.ck
- The test code below connects the SinOsc to each channel.


A further question - has anybody compiled miniAudicle with ASIO support?


Code:

SinOsc s;

s => dac.chan(0);      2::second => now;
s => dac.chan(1);      2::second => now;
s => dac.chan(2);      2::second => now;
s => dac.chan(3);      2::second => now;
s => dac.chan(4);      2::second => now;
s => dac.chan(5);      2::second => now;
s => dac.chan(6);      2::second => now;
s => dac.chan(7);      2::second => now;
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