When I'm using pactl to turn the volume up by 5% for example, it all works: r@MacBeth:~$ /usr/bin/pactl set-sink-volume 0 +5% but turning the volume down by 5% returns an error code: r@MacBeth:~$ /usr/bin/pactl set-sink-volume 0 -5% /usr/bin/pactl: invalid option -- 5 In the manpage, it is described as followed: set-sink-volume SINK VOLUME Set the volume of the specified sink (identified by its symbolic name or numerical index). VOLUME can be specified as integer (e.g. 2000, 16384), a linear factor (e.g. 0.4, 1.100), a percentage (e.g. 10%, 100%) or a decibel value (e.g. 0dB, 20dB). If the volume specification start with a + or - the volume adjustment will be relative to the current sink volume. So am I doing something wrong or is this a bug? Regards
Okay, found it out now. Sorry for opening a ticket. The correct syntax for turning down the volume 10% is: /usr/bin/pactl -- set-sink-volume 0 -10% Regards
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