If I try to record 5.1 sound with this command line the channels get mixed up. gst-launch pulsesrc device=alsa_output.pci_8086_284b_sound_card_0_alsa_playback_0.monitor ! queue ! audio/x-raw-float,rate=44100,channels=6 ! audioconvert ! vorbisenc quality=.8 ! oggmux ! filesink location=outtest.ogg If someone finds the time to look at it, that would be nice. http://bugzilla.gnome.org/show_bug.cgi?id=547258 Regards Achim