5,710
edits
Changes
→Wolfson Audio
*update wolfson audio drivers - https://blog.georgmill.de/2015/02/18/update-for-wolfson-audio-card-on-raspberry-pi/
*Command line recording - http://www.element14.com/community/community/raspberry-pi/raspberrypi_projects/blog/2014/04/06/wolfson-audio-project
==jack Jack from OSX to Raspberry Pi==On Raspberry Pi:# wolfson script to send select audio from osx to raspberry pioutput:<syntaxhighlight lang="bash">Playback_to_Lineout.sh</syntaxhighlight> or<syntaxhighlight lang="bash">amixer -Dhw:0 cset name='HPOUT2 Digital Switch' onamixer -Dhw:0 cset name='HPOUT2L Input 1' AIF1RX1amixer -Dhw:0 cset name='HPOUT2L Input 1 Volume' 32amixer -Dhw:0 cset name='HPOUT2R Input 1' AIF1RX2amixer -Dhw:0 cset name='HPOUT2R Input 1 Volume' 32</syntaxhighlight># run dbus:<syntaxhighlight lang="bash">eval dbus-launch --auto-syntax </syntaxhighlight>copy results and export them:<syntaxhighlight lang="bash">export DBUS_SESSION_BUS_ADDRESS= ...export DBUS_SESSION_BUS_PID=...</syntaxhighlight>#start jackd:<syntaxhighlight lang="bash">jackd -R -T -p 32 -d alsa -n 3 -p 2048 -r 44100 -i2 -o2 &</syntaxhighlight>#start netone pointed to slave:jack_netsource -H 192.168.0.104 & On OS X:#configure jack for necessary outputs (only done once) (2 in 2 out)#qjackctl with netone backend On Pi:#route jack signals:jack_connect netjack:capture_1 system:playback_1jack_connect netjack:capture_2 system:playback_2
*jack routing - https://gist.github.com/nyarla/36724e8931fa6bc244a0
*https://github.com/jackaudio/jackaudio.github.com/wiki/WalkThrough_User_NetJack2
