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linux:pulse_audio [2015/11/07 15:49] – niziaklinux:pulse_audio [2023/02/10 11:33] (current) – niziak
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 pacmd list-cards pacmd list-cards
 </code> </code>
 +
 +
 +
 +====== disable autospawn ======
 +
 +<file | /etc/pulse/client.conf>
 +; autospawn = yes
 +</file>
 +
 +<code bash>
 +pulseaudio --kill
 +pulseaudio -v
 +</code>
 +
 +===== mpd player =====
 +  * add user ''mpd'' to ''pulse-access'' groups.
 +  * Configure pulse to connect to existing pulseaudio server using network
 +
 +<code>
 +audio_output {
 +        type                    "pulse"
 +        name                    "MPD PulseAudio Output"
 +        server                  "127.0.0.1"
 +}
 +</code>
 +  * Add TCP server module to pulseaudio
 +<file | /etc/pulse/default.pa>
 +load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1
 +</file>
 +
 +
 +===== no alsa MIC input =====
 +
 +Check for existence of arecord process. It can be used to sample noise and feed a kernel entropy (package **randomsound**)
 +
 +[[https://bugs.launchpad.net/ubuntu/+source/randomsound/+bug/590780]]
 +
 +randomsound has to be started AFTER pulse audio. It is hard to achieve because pulse is started as from user graphical session.
 +As workaround it is nice to disable or remove rendomsound package.
 +
 +
 +===== Simultaneous on HDMI and Analog =====
 +Run paprefs, go to last tab "Simultaneous Output" and enable feature.
 +This will add new device for both HDMI and Analog output and set it as default one.
  
 ===== No sound ===== ===== No sound =====
-As as normal user try to start "pulseaudio --check" command:+As as normal user try to start <code bash>pulseaudio --check</code> command:
 <code> <code>
 E: [pulseaudio] core-util.c: Failed to create secure directory (/run/user/1000/pulse): Permission denied E: [pulseaudio] core-util.c: Failed to create secure directory (/run/user/1000/pulse): Permission denied
Line 113: Line 157:
 pulseaudio -v pulseaudio -v
 </code> </code>
 +
 +load-module module-alsa-sink device=hdmi:0
 +load-module module-combine-sink sink_name=combined
 +set-default-sink combined
 +