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--- becki:linux:sound [2015-04-07 10:10]
becki created
+++ becki:linux:sound [2020-06-23 07:22] (aktuell)
becki
@@ Zeile 1: / Zeile 1: @@
 ====== Linux Sound and Audio ==
+{{tagtopic>linux +audio&rsort&order=modified}}
 ===== Overview ==
@@ Zeile 62: / Zeile 65: @@
 === Select Sound Card with aplay ==
-aplay -D hw:1 /usr/share/sounds/KDE_Logout_new.wav
+Examples:
-aplay -D hw:PCH /usr/share/sounds/KDE_Logout_new.wav
-=== Select Sound Card with mplayer ==
+  aplay -D hw:1 /usr/share/sounds/KDE_Logout_new.wav
+  aplay -D hw:PCH /usr/share/sounds/KDE_Logout_new.wav
-mplayer -ao alsa:device=hw=1 or
-mplayer -ao alsa:device=hw=1.0 or
-mplayer -ao alsa:device=hw=PCH or
-mplayer -ao alsa:device=hw=PCH.0 or
 === Permanently select default Sound Card ==
 FIXME A good place to start is probably at ''/etc/asound.state''
+===== Mplayer ==
+==== Select output driver ==
+As of Slack 14.4 Pulse is active, but mplayer still uses Alsa as output. In order to avoid detours (see above), change this permanently to pulse by editing /etc/mplayer/mplayer.conf :
+  ao=pulse
+Older CLI examples for alsa (before pulseaudio)
+  mplayer -ao alsa:device=hw=1 or
+  mplayer -ao alsa:device=hw=1.0 or
+  mplayer -ao alsa:device=hw=PCH or
+  mplayer -ao alsa:device=hw=PCH.0 or
+  #/etc/mplayer/mplayer.conf:
+  ao=alsa:device=hw=1
+==== Steaming throuh Socks Proxy ==
+The following command line plays a radio stream through a local socks5 proxy listening on port 1080:
+  curl --socks5 localhost:1080 http://ibizaglobalradio.streaming-pro.com:8024 | mplayer -quiet -cache 1024 -
+You might experiment a bit with the cache size or not need to use the cache at all.
+==== Dump audio to wav file ==
+  mplayer -ao pcm <file>|<url>
+==== Webcam viewing / testing ==
+<code>
+mplayer tv://
+</code>
+Source: http://www.linuxtv.org/wiki/index.php/MPlayer#Using_MPlayer_for_Webcam_Viewing
+==== Slave mode ==
+http://www.mplayerhq.hu/DOCS/tech/slave.txt
 ===== Mixer ==
-FIXME Slack comes with esound (apparently disabled). According to usr/doc/esound-0.2.41/README esound is deprecated. Whereas pulseaudio is available only on slackbuilds
+As of Slack 14.2 Pulseaudio is included and activated by default.
+CLI frontend: ''pamixer''
+GUI fromtend: ''pavucontrol''
+<note>It is **not** recommended to make ''/etc/rc.d/rc.pulseaudio'' runnable. Normally pulseaudio will start automatically as-needed with an instance per audio user.</note>
+===== Bluetooth ==
+In order to channel audio from any source to an external speaker or headset via bluetooth, first make ''/etc/rc.d/rc.bluetooth'' runnable and start it as root.
+Now start the ''blueman-manager'' GUI to connect to the remote device.
+The ''pavucontrol'' GUI allows you to route the sound to the according remote device. You might need to check the button "Set as fallback" for that output device.
-===== Attic ==
+===== Attic / obsolete ==
   mixer: alsamixer (,rexima, amixer)

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