Regardless of codecs, don't all Bluetooth headsets switch to mono I/O when the microphone connects? I find that to be a much bigger quality hit than the encoding.
Using the same headset on both Windows and Linux leads to a very different experience. Windows works fine. Linux has the issue macOS has mentioned here.
Using the same headset on both Windows and Linux leads to a very different experience. Windows works fine. Linux has the issue macOS has mentioned here.