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| Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
| wiki:raspberrypi [2015/05/09 20:34] – 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 215: | Line 221: | ||
| export DBUS_SESSION_BUS_ADDRESS=unix: | export DBUS_SESSION_BUS_ADDRESS=unix: | ||
| - | And to add the following lines to `/ | + | And then add the following lines to '' |
| <policy user=" | <policy user=" | ||
| <allow own=" | <allow own=" | ||