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Diffstat (limited to 'content/tech/audio-output-to-input.md')
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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) |