I am running Unbuntu 20.04, connected to Sony XM4 headphones via Bluetooth.

Sometimes the sound quality is fine.

Sometimes it becomes really poor, as though it has been compressed badly.

How can I make it give me the better sound quality?

In my Settings, the output configuration is "High Fidelity Playback (A2DP Sink).

The other option is Headset Head Unit (HSP/HFP). Changing between the 2 does not seem to make much difference.

  • This might have worked systemctl restart bluetooth – Ginger Oct 19 '20 at 22:13

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