On 12 March 2013 00:44, Lanoxx <lan...@gmx.net> wrote: > Hi, > > I have a sound system from Teufel (Concept C 200) which has a built in USB > sound card and an analogue aux input. When I connect the USB cable to my > computer and the aux cable to my radio, then the sound of the radio does not > play. When I unplug the USB cable the sound from the radio starts playing > immediately. I have found out from the hardware manual that the sound card > is able to control the aux output and mute it or control the volume. On > windows it is possible to simultaneously enable both usb and aux inputs (see > [1]). I have not found any way to do the same in Ubuntu so far and I would > like to know if this is a bug (or missing feature) in which case I would > report it on launchpad, or if I simply haven't found the right option. > > I have already tried to use alsamixer and pavucontrol. In alsamixer i can > see that the usb sound card has separate "speaker" and "line" devices, but > changing the volume does not affect the output. In pavucontrol there is > simply no way to see the difference between "speaker" and "line" as there is > only a single volume control for the usb sound card.
This would probably be better sent to the ubuntu users list https://lists.ubuntu.com/mailman/listinfo/ubuntu-users Colin -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss