Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
| wiki:raspberrypi [2015/04/19 10:03] – [Running JACK] autostatic | wiki:raspberrypi [2017/01/30 03:06] – [On-board audio] flatmax | ||
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| http:// | http:// | ||
| + | ===== GPIO (On-board) audio ===== | ||
| + | |||
| + | Various sound card hats and addons are available for high quality audio. These sound cards use the GPIO I2S (and I2C) pins on the GPIO header. Some sound cards have inputs as well as outputs. Sound cards range from 2 channels (in/out) to 8 channels out and 6 channels in. | ||
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| + | A short list of GPIO sound cards can be found on eLinux :\\ | ||
| + | http:// | ||
| ===== On-board MIDI ===== | ===== On-board MIDI ===== | ||
| Line 214: | Line 220: | ||
| When using Jack2 you might want to disable dbus dependent code in JACK components if you want to run Jack2 on a headless RPi (so without X). You can do this by building without the '' | When using Jack2 you might want to disable dbus dependent code in JACK components if you want to run Jack2 on a headless RPi (so without X). You can do this by building without the '' | ||
| export DBUS_SESSION_BUS_ADDRESS=unix: | export DBUS_SESSION_BUS_ADDRESS=unix: | ||
| + | |||
| + | And then add the following lines to ''/ | ||
| + | <policy user=" | ||
| + | <allow own=" | ||
| + | </ | ||
| === Using an external USB audio interface === | === Using an external USB audio interface === | ||