View file File name : default.conf Content :# # Default output # pcm.!default { @args [ CARD ] @args.CARD { type string default { @func getenv vars [ ALSA_PCM_CARD ALSA_CARD ] default { @func refer name defaults.pcm.card } } } type empty slave.pcm { # use card-specific definition if exists @func refer name { @func concat strings [ "cards." { @func card_inum card $CARD } ".pcm.default:CARD=" $CARD ] } default { # use plughw as default type plug slave.pcm { type hw card $CARD } hint.device 0 } } hint { description "Default Audio Device" device_output { @func refer name defaults.pcm.dmix.device } device_input { @func refer name defaults.pcm.dsnoop.device } } }