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Comment by andrewzah | Hacker News Reader

"My bluetooth headset can now use the HFP profile with the mSBC codec (16 kHz sample rate) instead of the terrible CVSD codec (8 kHz sample rate) with the basic HSP profile."

What configuration did you have to do to get this to work? I'm also using pipewire built from the latest master (PipeWire 0.3.22).

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In `/etc/pipewire/media-session.d/bluez-monitor.conf`, I uncommented:

    bluez5.msbc-support = true
    bluez5.sbc-xq-support = true

You'll also need to make sure you're on a kernel supporting the WBS fallback patch[1], which should be the case if you have the latest 5.10 kernel or the 5.12 development kernel.

You can check if it's working by running `info all` in pw-cli. It'll mention if the bluez codec is "mSBC".

[1] https://patchwork.kernel.org/project/bluetooth/patch/2020121...

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