For people having sound issues with Hangouts and Skype on the Alpha, run these commands.
Code:
sudo sed -i 's/^Exec=.*/Exec=env PULSE_LATENCY_MSEC=30 skype %U/' /usr/share/applications/skype.desktopCode:
sudo sed -i 's/^Exec=.*/Exec=env PULSE_LATENCY_MSEC=30 GoogleTalkPlugin %U/' /opt/google/talkplugin/GoogleTalkPlugin