Stop collapsing the background noise channels when switching to mono
Stop collapsing the background noise channels when switching to mono

dezelin/celt,Distrotech/celt,dezelin/celt,mumble-voip/celt-0.11.0,oneman/opus-oneman,mumble-voip/celt-0.11.0,Distrotech/celt,dezelin/celt,oneman/opus-oneman,oneman/opus-oneman,mumble-voip/celt-0.11.0,Distrotech/celt