not using usb headset https://wiki.ubuntu.com/Audio/AlsaInfo
you have to check whether pulseaudio save the volume before you unpluged your usb headsset post the output of alsa-info.sh or dump pulseaudio database when you plugged, unplugged and replugged to find out alsa save the setting or pulseaudio save the setting https://bugs.freedesktop.org/show_bug.cgi?id=55262 ** Bug watch added: freedesktop.org Bugzilla #55262 https://bugs.freedesktop.org/show_bug.cgi?id=55262 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1182522 Title: Replugging a Usb headphone does not restore the previous output and level Status in “pulseaudio” package in Ubuntu: Incomplete Bug description: ubuntu 12.04.2 (Upgraded from ubuntu 12.04.1 ) How to reproduce the problem: - Plug a USB headset, select it in the sound prefs and set the volume. - Unplug/replug the headset - Open the sound preferences : the headset is not selected but the sound is output through the usb headset at maximum volume. This killed my ears several times, I'm almost deaf now .... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1182522/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
