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| author | schneefux <schneefux+commit@schneefux.xyz> | 2016-05-24 19:46:37 +0200 |
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| committer | schneefux <schneefux+commit@schneefux.xyz> | 2016-05-24 19:46:37 +0200 |
| commit | bd8464abb8deee0d31bb84cc47cd3335c0e688d5 (patch) | |
| tree | cea507ae72e1b5fda03ae6dc5c6d3cae2436a7cc /content/tech/audio-output-to-input.md | |
| parent | 55439cd6455232057c9c08202c853c1f5201d79f (diff) | |
| download | blog-bd8464abb8deee0d31bb84cc47cd3335c0e688d5.tar.gz blog-bd8464abb8deee0d31bb84cc47cd3335c0e688d5.zip | |
move posts into 'tech' section
Diffstat (limited to 'content/tech/audio-output-to-input.md')
| -rw-r--r-- | content/tech/audio-output-to-input.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/content/tech/audio-output-to-input.md b/content/tech/audio-output-to-input.md new file mode 100644 index 0000000..cc36313 --- /dev/null +++ b/content/tech/audio-output-to-input.md @@ -0,0 +1,15 @@ +--- +categories: +- software +date: 2015-11-28 +title: Route audio output to input +--- + +To be able to visualize my laptop's sound output with a python script, I needed an extra audio input that made it possible to capture the system's audio output. + +To achieve that, I did the following on my Raspberry Pi: + + * install alsa-utils and pulseaudio + * get the pulseaudio init script [here](https://www.raspberrypi.org/forums/viewtopic.php?p=619713#p619713) + * add the users to the group "pulse-access", I got `ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect` without it even as root + * [create an ALSA monitor source](https://wiki.archlinux.org/index.php/PulseAudio/Examples#ALSA_monitor_source) |