![]() Thus, the problem is that the gnome volume control should control the PCM channel, while it does control the Master channel. Now change the volume using gnome's volume control: you see a simultaneous change of the 'Master' volume bar in the alsamixer, while PCM is always rised to full power. You might recognize that the PCM volume is the correct one for your needs, while the Master has no effect. Playback some music and use the arrow keys to change the alsa volumes directly. Therein, you should at least see the channels 'Master', 'Speaker' and 'PCM'. For some PCs the forwarding of the volume change in pulseaudio is not correctly forwarded to alsa: the volume change *is* forwarded to the alsa's 'Master' channel, but this is not correct for some PCs - there it has to be the 'PCM' channel.Ĭheck if you have this problem: open a terminal and run 'alsamixer', which is a text-based volume control for all alsa-channels. Possible reason: the new gnome volume control solely controls the pulseaudio sound driver, while several tools still use the alsa sound driver (for me this was even banshee, vlc. ![]() Problem: whenever I change the volume, it does not affect the speaker's loudness at all - just mute (or volume 0) is recognized, but whenever the volume is at some level above 0, the speaker's seem to have full volume. This How To is for those people who have trouble with the gnome volume control:
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