Overclocking is not the solution. Renicing processes is more viable. Thy this: Edit the /etc/pulse/daemon.conf change the value of nice level to -20 (the default is -11) save and reboot If you experience some shuttering after several hours, this can help: sudo gainroot killall pulseaudio this may helps even without renicing pulseaudio. Hope thi help you! GOD bless you ALL!