this mean your usb audio have a 6 channel playbacck volume control similar to
https://bugs.freedesktop.org/show_bug.cgi?id=84983#c5 ** Bug watch added: freedesktop.org Bugzilla #84983 https://bugs.freedesktop.org/show_bug.cgi?id=84983 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1390474 Title: "Volume element PCM has 6 channels. That's too much!" with Terratec PHASE26 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1390474/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
