Edit: /usr/share/alsa/cards/Loopback.conf (1272B)
#
# Configuration for the virtual loopback driver (snd-aloop)
#
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
}
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