this post was submitted on 24 Oct 2023
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Android

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[–] henfredemars@infosec.pub 8 points 1 year ago* (last edited 1 year ago)

It's not a bandwidth restriction. The device generally has adequate bandwidth.

The problem is the Bluetooth specification that's massively over engineered. The original 1.0 Android developers specifically called out its complexity as a significant source of friction.

On Windows specifically, the audio quality degrades when you switch because it changes the Bluetooth profile from an audio device to a headset. Windows hasn't bothered with high fidelity under the headset profile. It's pretty bare bones, so it tries to talk to the device using a common baseline for headsets which generally didn't support high fidelity audio for a long time. Vendors have long preferred proprietary solutions to avoid dealing with the terrible standard.

Given the stupid complexity of bluetooth, I can't say I blame them. Microsoft needs to get around to implementing the upteenth special way of transferring audio over Bluetooth.