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apport-collect 1826730 2. Ensure you don't have "Over-Amplification" enabled in [Settings > Sound]. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1826730 Title: mp4 audio Crackle when the sound a little loud. Status in pulseaudio package in Ubuntu: Incomplete Bug description: both mpv and vlc have this problem, even when I use firefox see youtube video, if I turn the sound a little loud, the sound will with a lot of crackle sound. I ubuntu18.04 all the thing update to date. widon@widon-X555YI:~$ dpkg -l | grep pulseaudio ii gstreamer1.0-pulseaudio:amd64 1.14.1-1ubuntu1~ubuntu18.04.1 amd64 GStreamer plugin for PulseAudio ii pulseaudio 1:11.1-1ubuntu7.2 amd64 PulseAudio sound server ii pulseaudio-module-bluetooth 1:11.1-1ubuntu7.2 amd64 Bluetooth module for PulseAudio sound server ii pulseaudio-utils 1:11.1-1ubuntu7.2 amd64 Command line tools for the PulseAudio sound server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1826730/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp