do you mean sound is distorted when master playback volume is over 0dB ?
!!Amixer output !!------------- !!-------Mixer controls for card 0 [Intel] Card hw:0 'Intel'/'HDA Intel at 0xf4700000 irq 46' Mixer name : 'Analog Devices AD1981' Components : 'HDA:11d41981,103c309f,00100200 HDA:14f12bfa,103c309f,00090000' Controls : 13 Simple ctrls : 9 Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 63 Mono: Front Left: Playback 49 [78%] [-18.00dB] [on] Front Right: Playback 49 [78%] [-18.00dB] [on] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1183145 Title: sound is distorted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1183145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs