On Fri, 2013-06-07 at 20:07 +0300, Wille P. Salminen wrote: > I'd need help to configure Terratec Aureon 5.1 MK2 USB card to downmix > 5.1 to 4.0. I have tried this time to time on linux but never got it > working. All the other variations shows up correctly (4.1, 5.0 and 5.1) > but 4.0 is not even listed e.g. on pavucontrol GUI. > > I have created a new udev rule to ensure the same configuration is > always used. Udev calls profile "terratec-aureon-51.conf". Currently > there exists only two mappings: 4.0 and 4.1. And only 4.1 shows up > correctly.. Does "speaker-test -D surround40:CARD=Aureon51MkII --channels=4" work? If it doesn't, there's nothing PulseAudio can do. If it does, perhaps the PulseAudio log would contain information about why the 4.0 profile isn't made available. Instructions for getting the log: https://wiki.ubuntu.com/PulseAudio/Log -- Tanu
