Here's the same fix, for bionic. Unfortunately even with this fix it's too hard for me to tell if it's any improvement. My system seems to reliably default to the last used audio profile for the device. Even if I have removed and re-paired the device. So it seems like the fix at most is only necessary for brand new devices you've never had on your system before.
** Patch added: "pulseaudio_11.1-1ubuntu2.debdiff" https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1720684/+attachment/5022464/+files/pulseaudio_11.1-1ubuntu2.debdiff ** Changed in: pulseaudio (Ubuntu) Importance: High => Medium -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1720684 Title: Bluetooth speaker used the HSP/HFP profile by default rather than the higher-quality A2DP profile Status in PulseAudio: Fix Released Status in pulseaudio package in Ubuntu: In Progress Bug description: Kubuntu 17.04 Bluetooth device: https://smile.amazon.com/VicTsing-Wireless-Waterproof-Hands-Free-Speakerphone/dp/B074DX13T1 (itentifies itself as "C6") The above Bluetooth speaker paired and started streaming audio perfectly in Kubuntu 17.04. But the audio quality was poor, because the default audio profile was the low-quality HSP/HFP one. When I switched it to the A2DP profile, it sounded perfect again. Can we make A2DP the default playback profile for Bluetooth audio devices? To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1720684/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp