https://wiki.ubuntu.com/PulseAudio/Log
post the pulseaudio verbose log while you change the slider in sound preference you can open a terminal and monitor the change in capture view with alsamixer - c0 for your USB audio -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1159687 Title: [USB-Audio - Logitech B530 USB Headset, recording] Recording problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1159687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs