[pulseaudio-discuss] How to choose the sound card for an application using CLI ?
tanuk at iki.fi
Tue Nov 3 09:39:45 UTC 2020
On Tue, 2020-11-03 at 02:25 +0100, 01ivier at labomedia.org wrote:
> I want to run applications with specifics sound cards in command line on
> Ubuntu 20.04.
> I know it is graphically possible with Pulseaudio Volume Control which
> let me choose the card in a menu after the application is launched.
> But I want to use command lines so that I can automatize the process in
> a bash file (I've got ten sound cards and more to come).
> I've tried "pactl set-default-sink" but it changes the card for all the
> I've looked in "man pulse-cli-syntax" but I didn't find what I'm looking
> I've also tried to use environment variables such as ALSA_CARD= and
> ALSA_PCM_CARD= without success.
> Is there a way to do what I want ?
Maybe the PULSE_SINK environment variable will do the trick. The
variable value is a sink name (to get a list of names, run "pactl list
sinks | grep Name").
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