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Re: Multichannel audio listening (was: Live recording)

On Monday, March 05, 2018 05:49:45 AM Jeremy Nicoll wrote:
> On Mon, 5 Mar 2018, at 09:39, Rodolfo Medina wrote:
> Does your computer, or attached soundcard(s) have capacity to
> drive three outputs at once?
> If it does I think you'll need to tell whatever software controls that
> hardware where to take audio-data from.
> Maybe 'sox' can direct audio to multiple channels, but I think you
> will need to tell sox which hardware devices to use.  The section
> of the sox manual, page 3, "Playing & Recording Audio" might help.

Without having ever (intentionally) used jack (JACK (Jack Audio Connection 
Kit)), I would guess that it might be useful.

(Like Jeremy says, you will need 3 output devices.)  Somewhere along the line 
I bought some audio devices (my choice of words) that are, afaik, like a sound 
card built into a very small (USB) plug like device.  I can plug it into a USB 
and then plug stereo headphones into it--the device functions like a sound 
card, self powered from the USB port.

I bought those, as I often do such things, off ebay from the far East.

I suppose you might do a hinky workaround to get two output devices from one 
(stereo) sound card by (possibly after merging stereo signals into a mono 
signal) sending a different (mono) signal to each channel (i.e., left and 
right) of a stereo sound card, at least for a sort of feasibility test.

Do they make 5.2 or 7.2 sound cards for computers--if so, you could consider a 
similar approach using those 5 (or 7) channels.

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