PulseAudio: Difference between revisions

Revision as of 22:05, 15 July 2011

Be sure to configure ALSA first.

Depending on your external AV-Reciever this prevents crackling sounds and outputs a continous a52 signal through S/PDIF

@@ Line 1: / Line 1: @@
 Be sure to configure [[ALSA]] first.
+== Fix the default PulseAudio/ALSA a52 5.1 profile detection ==
 {{Box File|/usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf|
 Change any occurance of a52:%f to a52:
 <pre>
+[Mapping iec958-ac3-surround-40]
+device-strings = a52
+channel-map = front-left,front-right,rear-left,rear-right
+priority = 2
+direction = output
 [Mapping iec958-ac3-surround-51]
 device-strings = a52
@@ Line 9: / Line 17: @@
 priority = 3
 direction = output
+</pre>
+}}
+== Prevent PulseAudio from suspending output ==
-[Mapping hdmi-stereo]
+Depending on your external AV-Reciever this prevents crackling sounds and outputs a continous a52 signal through S/PDIF
-device-strings = hdmi:%f
-channel-map = left,right
+{{Box File|/etc/pulse/default.pa|
-priority = 4
+### Automatically suspend sinks/sources that become idle for too long
-direction = output
+#load-moduleload-module module-suspend-on-idle
-</pre>
+}}
+== Prevent PulseAudio from outputting "normal" sounds to your subwoofer ==
+{{Box File|/etc/pulse/daemon.conf|
+enable-remixing = yes
+enable-lfe-remixing = no
+default-sample-rate = 48000
+default-sample-channels = 6
 }}