> If pulseaudio ignore dB scale, do this mean it use full volume range ?
> Do PCM Playback volume remain at 0dB all the time ? Yes, it then uses the complete Master range, indicated as: -46.50 dB (0 %) to 0 dB (100%). PCM stays at 0 dB (56 %) while doing so. > do distortion occur when your application play to alsa device hw:0,0 directly when PCM playback volume is over 0dB ? Using alsa directly with PCM above 0db gave distortions as before. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1311525 Title: Can only use half the sound range without overdriving sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1311525/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
