![]() ![]() Changing the Event Sounds volume in KMix or another volume mixer application will not help here. Before disabling it, KDE users should try lowering their system notifications volume in System Settings -> Application and System Notifications -> Manage Notifications under the Player Settings tab to something reasonable. If changing the volume in specific applications or simply running an application changes the master output volume, this is likely due to flat volumes mode of pulseaudio. volume jumps to 100% after running application) ![]() etc/pulse/default.pa set-source-volume 1 300000 Clients alter master output volume (a.k.a. If you experience low volume on internal notebook microphone, try setting: However, be aware that it may cause another bug preventing PulseAudio to unmute speakers when headphones or other audio devices are unplugged. etc/pulse/default.pa load-module module-udev-detect ignore_dB=1 If sound does not play when PulseAudio's volume is set below a certain level, or if you hear clipping on output even at low volume (including bluetooth devices), try setting ignore_dB=1 in /etc/pulse/default.pa: Set-default-source delta_in No sound below a volume cutoff or Clipping on a particular output device Load-module module-alsa-source source_name=delta_in device=hw:M2496 format=s24le channels=12 channel_map=left,right,aux0,aux1,aux2,aux3,aux4,aux5,au圆,aux7,aux8,aux9 etc/pulseaudio/default.pa load-module module-alsa-sink sink_name=delta_out device=hw:M2496 format=s24le channels=10 channel_map=left,right,aux0,aux1,aux2,aux3,aux4,aux5,au圆,aux7 Sound output is only mono on M-Audio Audiophile 2496 sound card ![]() Note: A previously installed and removed pulseaudio-equalizer may leave behind remnants of the setup in ~/.config/pulse/default.pa or ~/.pulse/default.pa which can also cause maximized volume trouble. When Pulse comes back after a few seconds, applications will not alter the global system volume anymore but have their own volume level again. Applications setting their volume on startup will therefore cause the system volume to "jump".įix this by disabling flat volumes, as demonstrated in the previous section. Per default, it seems as if changing the volume in an application sets the global system volume to that level instead of only affecting the respective application. Volume gets louder every time a new application is started etc/pulse/nf or ~/.config/pulse/nf flat-volumes = noĪnd then restarting PulseAudio by executing If this is found to be inconvenient, asinine, or otherwise undesireable, relative volumes can be enabled by disabling flat volumes in the PulseAudio daemon's configuration file: This is because PulseAudio uses flat volumes by default, instead of relative volumes, relative to an absolute master volume. Per-application volumes change when the Master volume is adjusted Try using larger values when changing volume (e.g. If the volume does not appear to increment/decrement properly using alsamixer or amixer, it may be due to PulseAudio having a larger number of increments (65537 to be exact). Volume adjustment does not work properlyĬheck /usr/share/alsa-card-profile/mixer/paths/. If it is still absent, verify that other applications show up as sink inputs. ![]() Note: If pacmd reports 0 sink input(s), double-check that the application is playing audio. If the volume needs adjusting, it can be set to 100% by: If the sink is muted, it can be unmuted by: Ensure sane settings are present, specifically those of muted and volume. The properties: application.name and, among others, should help here. With the offending application playing audio, run:įind and make note of the index of the corresponding sink input. If a specific application is muted or low while all else seems to be in order, it may be due to individual sink-input settings. This will cause amixer to ask PulseAudio to do the toggling rather than toggling it directly.īecause of this, PulseAudio will correctly unmute Master as well as any applicable output. To resolve this, amixer must have the device flag set to 'pulse': 'Headphone' and 'Speaker'), using plain amixer to toggle Master can trigger PulseAudio to mute the active output too, but it does not necessarily unmute it when Master is toggled back to be unmuted. Output stuck muted while Master is toggled If it displays a low percentage value, you can run pamixer -i 10 several times to turn up the volume gradually. If the output says muted, run pamixer -u to unmute. To troubleshoot via CLI only, install pamixer and check the output of the following command: Install pavucontrol and check if there is any output on the pavucontrol panel when playing a. One possible cause of no sound after install is that PulseAudio detects the wrong output device as a default. Note: alsamixer will not tell you which output device is set as the default. ![]()
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