Re: Virtual Sound Card?


I've used ALSA to split audio from the SignaLink into two applications.
Here is my .asoundrc

# playback PCM device 
pcm.amix {
  type dmix
  ipc_key 1234
  slave.pcm "hw:Loopback,0,0"
# capture PCM device
pcm.asnoop {
  type dsnoop
  ipc_key 1235
  slave.pcm "hw:Loopback,0,1"
# duplex devcie combinding asnoop and amix
pcm.aduplex {
  type asym
  playback.pcm "amix"
  capture.pcm "asnoop"
  hint {
    show on
    description "combines loopback asnoop(input) and amix(output)"
pcm.!default {
  type plug
  slave.pcm "aduplex"
I would like to learn more about implementing Jack.

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