I just tried plugging in my second USB device and only the playback device was recognized, the microphone was not. Here is the output:
$ fuser -v /dev/snd/* GEBRUIKER PID SOORT PROGRAMMA /dev/snd/controlC0: julius 3304 F.... pulseaudio julius 4056 F.... pulseaudio /dev/snd/controlC1: julius 3304 F.... pulseaudio julius 4056 F.... pulseaudio /dev/snd/controlC2: julius 3304 F.... pulseaudio julius 4056 F.... pulseaudio /dev/snd/pcmC0D3p: julius 3304 F...m pulseaudio /dev/snd/pcmC1D0c: julius 3304 F...m pulseaudio /dev/snd/pcmC1D0p: julius 3304 F...m pulseaudio The new device is on /dev/snd/pcmC2* so it doesn't seem to be used by something else. I'm a bit surprised there are two pulseaudios with different PIDs active though. Could that be a problem? I'm in a phone call (pcmC1) and playing music over HDMI (pcmC0D3), so it's correct it's using those devices. When I do a reboot, it seems the device is always recognized properly. It's just hot-plugging which doesn't tend to work correctly. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1325282 Title: USB microphone inputs not detected by Pulseaudio on Kubuntu Trusty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1325282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs