By reading the mono mic as stereo, PulseAudio cancels the input. The default setting on the Input Control is to lock the R&L channel together. Use that application to set up your input device. Then use Synaptic Package Manager to install pavucontrol (Pulse Audio Volume Controller). Then close Skype (right-click with your mouse on the Skype icon - Quit). So disable the automatic configuration of the mixer controls in Skype: right-click with your mouse on the Skype icon in the system tray - Options - Sound Devices - remove the tick at: Allow Skype to automatically adjust my mixer levels. Skype has been known to mess up the mixer settings. If the mic works, and you cannot hear yourself using the Skype Test Call feature, do the following. First test your mic and sound by using the application Sound Recorder. If you are having audio problems, first check to make sure that sound is working on your system and that your microphone and speaker volume levels are high enough. (Installing pavucontrol has not been necessary since Lucid Lynx - use the mixer via the toolbar speaker icon instead.) To prevent this, go into the Skype Options menu - Sound Devices - remove the tick at: Allow Skype to automatically adjust my mixer levels. If it does not (Skype test call plays nothing sensible back), the Skype client may have messed with the mixer settings. If you see a signal on the mixer indicator following the level of your speech into the expected microphone, Skype sound should just work. See the Ubuntu Desktop Guide for your version. Checking the sound functionality is therefore the usual procedure of connecting/selecting a sound-input device and checking/adjusting sound levels in the default mixer (via the loudspeaker icon on the toolbar). version 4) will use the pulseaudio sound infrastructure directly if it is running, which it is by default on Ubuntu versions from Lucid on. The article is dedicated to troubleshooting Skype. You are already signed in on this computer. Skype fails to start with Nessus Scanner.System hangs for a short while (few seconds).Another possible solution for software mixing.Another way of selecting USB microphone.

Skype sign in messed up