# copy to /etc/ # # configuration alsa loop for svxlink ctl.equal { type equal } pcm.plugequal { type equal slave.pcm "plughw:Loopback,0,0" } pcm.equal { type plug slave.pcm plugequal } pcm_slave.hw_Loopback_0_2 { pcm "hw:Loopback,0,2" format S16_LE channels 2 rate 48000 } pcm.plug_Loopback_0_2 { type plug slave hw_Loopback_0_2 ttable { # Copy input 0 channel to output channel 0 and 1 0.0 = 1 0.1 = 1 } }