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digiou | 1 year ago

I think this is the result of how bluetooth itself works for bi-directional voice headsets, no? I do get bad quality on every OS when I have to do this, unless it has to do with the audio codec.

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briffle|1 year ago

My windows 11 computer does the same thing. It’s because of the limited bandwidth in Bluetooth that it has to lower the audio quality

gruez|1 year ago

AFAIK windows gets around this by having audio devices for the A2DP profile (ie. audio output only) and the HFP profile (ie. audio output and input) and having both be active at the same time. The A2DP device is set as the "default device" which means if you play spotify or whatever the audio goes through that and you hear high quality audio. The HFP device is set as the "default communications device", which is what apps like Teams or Zoom is supposed to use, and has shitty audio quality.

> It’s because of the limited bandwidth in Bluetooth that it has to lower the audio quality

It's not a bandwidth limitation. According to google A2DP supports up to 728kbit/s, but SBC (the default codec) only goes up to around 300. Clearly there's enough bandwidth for mid quality input and output streams.