Lösung gefunden :)


pcm.!default {
type plug
slave {
pcm "hw:1,0"
}
card 0
}

ctl.!default {
type hw
card 0
}


pcm.rec_dsnoop_1 {
type dsnoop
ipc_key 10242
ipc_perm 0666
slave {
pcm "hw:1,0"
channels 2
rate 22050
periods 63
period_time 0
buffer_size=16384
}
}

pcm.rec_in_1
{
type plug
slave
{
pcm "rec_dsnoop_1"
}
}