how do those master playback volume , headphone playback volume and pcm playback volume affect your computer audio output in 12.04
662| 0.000) D: [pulseaudio] alsa-mixer.c: Path analog-output- headphones (Headphones), direction=1, priority=90, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=31, min_dB=-127.5, max_dB=12 pulseaudio dB range is the sum of three playback volume controls control.2 { iface MIXER name 'Master Playback Volume' value.0 28 value.1 28 comment { access 'read write' type INTEGER count 2 range '0 - 31' dbmin -4650 dbmax 0 dbvalue.0 -450 dbvalue.1 -450 } } control.3 { iface MIXER name 'Headphone Playback Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.4 { iface MIXER name 'Headphone Playback Volume' value.0 31 value.1 31 comment { access 'read write' type INTEGER count 2 range '0 - 31' dbmin -4650 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.5 { iface MIXER name 'Master Mono Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Master Mono Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 31' dbmin -4650 dbmax 0 dbvalue.0 -4650 } } control.18 { iface MIXER name 'PCM Playback Switch' value.0 true value.1 true comment { control.19 { iface MIXER name 'PCM Playback Volume' value.0 23 value.1 23 comment { access 'read write' type INTEGER count 2 range '0 - 31' dbmin -3450 dbmax 1200 dbvalue.0 0 dbvalue.1 0 } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/893210 Title: [Dell OptiPlex GX620 - AD1981b, playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/893210/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs