alsa-driver hasn't changed in over a year, and pulseaudio hasn't changed since June. So it doesn't sound like a regression in either of those.
Maybe a kernel regression? ** Summary changed: - [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted + [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted (as of a few weeks ago) ** Package changed: alsa-driver (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1805527 Title: [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted (as of a few weeks ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805527/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs