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ALSA hack to expose multi-app access to usb sound device
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| pcm_slave.digirig { | |
| pcm { | |
| type hw | |
| card Device | |
| } | |
| period_time 0 | |
| buffer_size 8192 | |
| } | |
| pcm.digirig-dmix { | |
| type dmix | |
| ipc_key 2023041901 | |
| slave "digirig" | |
| bindings.0 0 | |
| } | |
| pcm.digirig-dsnoop { | |
| type dsnoop | |
| ipc_key 2023041902 | |
| slave "digirig" | |
| bindings.0 0 | |
| } | |
| pcm.digirig-rx { | |
| type plug | |
| slave.pcm "digirig-dsnoop" | |
| hint.description "digirig RX audio plug" | |
| } | |
| pcm.digirig-tx { | |
| type plug | |
| slave.pcm "digirig-dmix" | |
| hint.description "digirig TX audio plug" | |
| } |
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Modify ~/.asound.rc for user or /etc/asound.conf to add these lines.