Re: [ecasound] Multitracking question

[Bery R. <eca...@ri...>]

John,

You should go back and read the thread on the exact same subject here:

http://news.gmane.org/gmane.comp.audio.ecasound.general

See 16-Nov-2005 at 14:49.  To summarize, I've got 2 Delta 1010LTs 
configured and grabbing 16 channels at once.  I could not get the 
pcm_multi plugin to work just using the alsasound tools and ecasound, 
but I am able to capture from the two cards simultaneously with sync'ed 
clocks (via envy24control setup) to 16 individual .wav files like this:

ecasound -C -q -t:900 \
 -a:1,2,3,4,5,6,7,8 -f:16,8,44100 -i:alsa,analog8_1 \
 -a:A,B,C,D,E,F,G,H -f:16,8,44100 -i:alsa,analog8_2 \
 -a:1 -f:16,1,44100 -o:t11.wav \
 -a:2 -f:16,1,44100 -o:t12.wav -erc:2,1 \
 -a:3 -f:16,1,44100 -o:t13.wav -erc:3,1 \
 -a:4 -f:16,1,44100 -o:t14.wav -erc:4,1 \
 -a:5 -f:16,1,44100 -o:t15.wav -erc:5,1 \
 -a:6 -f:16,1,44100 -o:t16.wav -erc:6,1 \
 -a:7 -f:16,1,44100 -o:t17.wav -erc:7,1 \
 -a:8 -f:16,1,44100 -o:t18.wav -erc:8,1 \
 -a:A -f:16,1,44100 -o:t21.wav \
 -a:B -f:16,1,44100 -o:t22.wav -erc:2,1 \
 -a:C -f:16,1,44100 -o:t23.wav -erc:3,1 \
 -a:D -f:16,1,44100 -o:t24.wav -erc:4,1 \
 -a:E -f:16,1,44100 -o:t25.wav -erc:5,1 \
 -a:F -f:16,1,44100 -o:t26.wav -erc:6,1 \
 -a:G -f:16,1,44100 -o:t27.wav -erc:7,1 \
 -a:H -f:16,1,44100 -o:t28.wav -erc:8,1

I'd be interested to hear how you got pcm_multi working and if I can 
translate that into how I'm using ecasound.

-Bery


John Rigg wrote:
> I have a couple of M-Audio Delta 1010's set up with the ALSA pcm_multi
> plugin to run as a virtual 16-channel sound-card. I use jackd to
> access this, with 16 input ports and 16 output ports.
>
> What I want to do is record 16 mono .wav files simultaneously,
> one from each of the jackd input ports. Can anyone tell me the correct
> ecasound command syntax for specifying which jack port goes to which
> output file? I've been unable to find this info in the docs or on the web.
>
> Second question: is it possible to do this without jackd and just deal
> with the alsa virtual device directly, still having control over which channel
> goes to which file?
>
> John
>
>
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