On Tue, 3 Nov 2020, at 7:09 PM, 01ivier@xxxxxxxxxxxxx wrote: > Le 2020-11-03 23:49, Arun Raghavan a écrit : > > On Tue, 3 Nov 2020, at 5:28 PM, 01ivier@xxxxxxxxxxxxx wrote: > >> Hello again, > >> > >> I want to know if there is a way, still in command line, to control > >> the > >> right and left volumes of an application. > >> With Pulseaudio Volume Control, you can click on the lock icon related > >> to a launched application, and two sliders appear to do so. > >> Is it possible in CLI ? > >> > >> My goal is to run two applications on the same card, but to assign > >> right > >> channel for one and left for the other. > >> > >> Possible complication : the output of my application is in mono and > >> with > >> Pulseaudio Volume Control I don't get the two sliders if I click on > >> the > >> lock icon. > > > > You can use pactl to do this: > > > > pactl set-sink-input <sink input index> <volume for channel 1> > > <volume for channel 2> ... > > > > You can look up the sink input index and channel map for channel order > > with: > > > > pactl list sink-inputs > > > > -- Arun > > Hello Arun and thanks for the quick answer. > > It's exactly the command I was looking for. > Unfortunately, as I thought, it doesn't work in my case because my > output is in mono. > Here's what I get: > Failed to set volume: You tried to set volumes for 2 channels, whereas > channel(s) supported = 1 > > I can't change the output of the software. > Is there possibly a way to create a virtual stereo output from the mono Yup, check out module-remap-sink: https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#module-remap-sink -- Arun _______________________________________________ pulseaudio-discuss mailing list pulseaudio-discuss@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss