In this article, I describe the default SBC codec common in all Bluetooth audio (A2DP), and how it could easily be made to improve fidelity:
https://docs.google.com/document/d/1YPTwFhvo99suyrwkT4Z97so9_xwoOGkpSqgveLpYvYc/edit?usp=sharing
One of the important conclusions is that, if the source...