You have to manually edit the default startup script for Pulseaudio. In Ubuntu this is the file /etc/pulse/default/pa. Use module-remap-sink (http://pulseaudio.org/wiki/Modules#module-remap-sink) like this: load-module module-remap-sink master=sinkname channels=2 channel_map=left,right master_channel_map=rear-left,rear-right As an example this is my setup: load-module module-alsa-sink tsched=0 sink_name=alsa_master device=hw:0 rate=48000 channels=6 channel_map=aux0,aux1,aux2,aux3,aux4,aux5 load-module module-remap-sink sink_name=computer master=alsa_master channels=2 channel_map=left,right master_channel_map=aux0,aux1 load-module module-remap-sink sink_name=room1 master=alsa_master channels=1 channel_map=mono master_channel_map=aux4 load-module module-remap-sink sink_name=room2 master=alsa_master channels=1 channel_map=mono master_channel_map=aux5 load-module module-combine sink_name=everything slaves=computer,room1,room2 update-sink-proplist computer device.description="Computer output" update-sink-proplist room1 device.description="Living room" update-sink-proplist room2 device.description="Kitchen" update-sink-proplist everything device.description="The whole house" set-default-sink copmuter The update-sink-proplist commands are only available in what's going to bet Pulseaudio 0.9.15. I set up pulse as a system daemon (http://pulseaudio.org/wiki/SystemWideInstance), which might also be good for your purpose. To do this in Ubuntu, flip the switch in /etc/default/pulseaudio and alter the commands in the file /etc/pulse/system.pa. Maarten
