At Wed, 29 Aug 2007 10:49:43 +0800,
Shuduo Sang wrote:
>
> $alsactl -f sound store
> $ cat sound
> control.10 {
> comment.access 'read write'
> comment.type BOOLEAN
> comment.count 2
> iface MIXER
> name 'Mic Playback Switch'
> value.0 true
> value.1 true
> }
You should mute this. Otherwise you'll hear the sound from mic as
analog-loopback.
> control.15 {
> comment.access 'read write'
> comment.type INTEGER
> comment.count 2
> comment.range '0 - 3'
> iface MIXER
> name 'Mic Boost'
> value.0 0
> value.1 0
> }
Raise this volume.
> control.17 {
> comment.access 'read write'
> comment.type BOOLEAN
> comment.count 2
> iface MIXER
> name 'Capture Switch'
> value.0 false
> value.1 false
> }
Turn on this. Otherwise you cannot record.
Takashi
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