you have to provide pulseaudio verbose log to show how pulseaidiot caluclate dB when request volume from 100% to 0%
Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.204| 9.204) [pulseaudio] protocol-native.c: Client indicator-sound-service changes volume of sink alsa_output.pci-0000_00_1b.0.analog-stereo. Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.205| 0.000) [alsa-sink] alsa-sink.c: Requested volume: 0: 99% 1: 99% Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.205| 0.000) [alsa-sink] alsa-sink.c: in dB: 0: -0.18 dB 1: -0.18 dB Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.205| 0.000) [alsa-sink] alsa-sink.c: Got hardware volume: 0: 100% 1: 100% Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.205| 0.000) [alsa-sink] alsa-sink.c: in dB: 0: 0.00 dB 1: 0.00 dB Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.205| 0.000) [alsa-sink] alsa-sink.c: Calculated software volume: 0: 99% 1: 99% (accurate-enough=yes) Aug 2 19:08:44 encke pulseaudio[2207]: ( 9.205| 0.000) [alsa-sink] alsa-sink.c: in dB: 0: -0.18 dB 1: -0.18 dB -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1210129 Title: Pulseaudio does not recognize sound levels correctly. To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1210129/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
