Mono sound output in Ubuntu

Categories:  linux
Labels:  OS, customize

Mono sound output in Ubuntu? Hi, is there an easy way of forcing mono sound output on linux - for one ear, one earphone, one speaker?

You can use the module to remap pulseaudio:

In a terminal:

$ pacmd list-sinks | grep name:

It will send you the name of the stereo output used. Then you type (replacing with the name you have found):

$ pacmd load-module module-remap-sink sink_name=mono master=THE_NAME_FROM_THE_PREVIOUS_COMMAND channels=2 channel_map=mono,mono

In my case that was:

$ pacmd load-module module-remap-sink sink_name=mono master=alsa_output.pci-0000_00_1e.2.analog-stereo channels=2 channel_map=mono,mono

If you open the Sound Preferences you should now have a mono output available. To have that permanently:

gksudo gedit /etc/pulse/default.pa

Then you add in the file:

1
2
#Remapping output stereo to mono
load-module module-remap-sink sink_name=mono master=THE_NAME_FROM_THE_PREVIOUS_COMMAND channels=2 channel_map=mono,mono

Here’s a working example:


The image is from the sound settings of xubuntu OS Linux :)

Source

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