Changing system from stereo to mono

I am trying to configure xdemorse, a morse code decoding software. One of the things I need to do to configure is change my sound settings from stereo to mono. I think I found the answer, I just don't know how to apply it to my specific computer. Here is what I have found.

pacmd list-sinks | grep name: after doing this, the computer gives this as a reply:

name: <alsa_output.pci-0000_00_01.1.hdmi-stereo>
name: <alsa_output.pci-0000_00_14.2.analog-stereo>

Then the instructions say to do this:

load-module module-remap-sink_name=mono master=alsa_output.pci.0000_00_14.2.analog-stereo channels=2 channel_map=mono,mono

But I keep getting this error message: load-module command not found. Here is a link to the tutorial I am trying to use. I downloaded gnome alsamixer, but it looks different than the one in the tutorial. Thank you all for your help.

4

1 Answer

The Arch wiki suggests putting this line into /etc/pulse/default.pa for a permanent change. Or, for a temporary change, you can use

pacmd load-module module-remap-sink_name=mono master=alsa_output.pci.0000_00_14.2.analog-stereo channels=2 channel_map=mono,mono

N.B. the second link's format is slightly different, so if this doesn't work, you can try.

pacmd load-module module-remap-sink sink_name=mono master=alsa_output.pci.0000_00_14.2.analog-stereo channels=2 channel_map=mono,mono

Similarly for the /etc/pulse/default.pa method.

6

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