# # Configuration for the virtual loopback driver (snd-aloop) # <confdir:pcm/front.conf> Loopback.pcm.front.0 { @args [ CARD ] @args.CARD { type string } type softvol slave.pcm { type hw card $CARD } control { name "PCM Playback Volume" card $CARD } } # default with dmix+softvol & dsnoop Loopback.pcm.default { @args [ CARD ] @args.CARD { type string } type asym playback.pcm { type plug slave.pcm { type softvol slave.pcm { @func concat strings [ "dmix:" $CARD ] } control { name "PCM Playback Volume" card $CARD } } } capture.pcm { type plug slave.pcm { type softvol slave.pcm { @func concat strings [ "dsnoop:" $CARD ] } control { name "Digital Capture Volume" card $CARD } min_dB -30.0 max_dB 30.0 resolution 121 } # to avoid possible phase inversions with digital mics route_policy copy } hint.device 0 } <confdir:pcm/surround21.conf> <confdir:pcm/surround40.conf> <confdir:pcm/surround41.conf> <confdir:pcm/surround50.conf> <confdir:pcm/surround51.conf> <confdir:pcm/surround71.conf> Loopback.pcm.surround40.0 cards.Loopback.pcm.front.0 Loopback.pcm.surround51.0 cards.Loopback.pcm.front.0 Loopback.pcm.surround71.0 cards.Loopback.pcm.front.0