5mm headphone jack: omxplayer -o local fileName. Omxplayer is mainly used for playing videos but you can use it to play audio files as well. It was developed as a testbed for the XBMC Raspberry Pi implementation and is quite handy to use standalone. However it seems that when video is being displayed over HDMI, omxplayer ignores the value set by raspi-config, and to get audio playing over the headphone port I actually have to do 'omxplayer -o local la.
bin -win x1 y1 x2 y2 rtsp://ip_address/live. omxplayer-wrapper is a project to control OMXPlayer from python over dbus. wav I don't think mpg123 supports multichannel audio and I am not sure aboiut ogg123 but I think you could use the new video support in the next version to use omxplayer to play an audio-only 'video' file to get multichannel audio output. Thanks to being purpose-built for the hardware, it has been heavily optimized.
#CARTWALL INSTALL#
Just install it with: apt-get install audacity. Of course, you can copy a music file to your Pi, play it (omxplayer is a nice commandline player that's installed by default and handles MP3) and see if it's in stereo. These are the top rated real world Python examples of omxplayer. It is a video player specifically made for the Raspberry PI's GPU. By default the output is set to automatically select the default audio interface (HDMI if available otherwise analog).
arecord -d 10 -f cd -t wav -D copy foobar.
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