Some recent commits in BlueZ 5.54 suggest wide band support is being prepared starting in kernel 5.6:
https://git.kernel.org/pub/scm/bluetooth/bluez.git Unfortunately both that kernel and bluez version seem to be too new to realistically make it into Ubuntu 20.04. ** Also affects: bluez (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838151 Title: Poor quality audio with modern Bluetooth headsets in HSP/HFP. Missing wide band speech support. To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1838151/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
