you have to provide log to find out how pulseaudio calculate 20% some of your volume controls are not defined in
http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths Simple mixer control 'PCM Front',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 100 Mono: Front Left: Playback 100 [100%] [0.00dB] Front Right: Playback 100 [100%] [0.00dB] Simple mixer control 'PCM Center',0 Capabilities: pvolume pvolume-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 0 [0%] [-99999.99dB] Simple mixer control 'PCM LFE',0 Capabilities: pvolume pvolume-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 0 [0%] [-99999.99dB] Simple mixer control 'PCM Surround',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 100 Mono: Front Left: Playback 0 [0%] [-99999.99dB] Front Right: Playback 0 [0%] [-99999.99dB] the volume controls only have 100 steps when high_res_gpr_volume : N https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/emu10k1/emufx.c?id=4daf7a0c0b3dd3c2e2ec829ecee8608d04d67773 high_res_gpr_volume : Y , there are 0x7fffffff steps you master volume is only 10% Controls : 194 Simple ctrls : 30 Simple mixer control 'Master',0 Capabilities: pvolume pvolume-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 10 [10%] [-36.00dB] Simple mixer control 'PCM',0 Capabilities: pvolume cvolume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 100 Capture 0 - 100 Front Left: Playback 100 [100%] [0.00dB] Capture 0 [0%] [-99999.99dB] Front Right: Playback 100 [100%] [0.00dB] Capture 0 [0%] [-99999.99dB] Simple mixer control 'Front',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 100 Mono: Front Left: Playback 100 [100%] [0.00dB] Front Right: Playback 100 [100%] [0.00dB] Simple mixer control 'Surround',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 100 Mono: Front Left: Playback 100 [100%] [0.00dB] Front Right: Playback 100 [100%] [0.00dB] Simple mixer control 'Center',0 Capabilities: pvolume pvolume-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 100 [100%] [0.00dB] Simple mixer control 'LFE',0 Capabilities: pvolume pvolume-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 100 [100%] [0.00dB] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1321485 Title: No change to volume in lowest 20% of control To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1321485/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
