Am 27.12.20 um 22:58 schrieb David Kastrup: > "channel names". So probably things like system:playback_17 and > system:playback_18 rather than just 17 and 18. Nope, tried that too before my last mail, with the system part and without, with and without quotes around the option. Same error. Please test commands before you post them :) Chris _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user