Bluetooth stack modifications to improve audio quality on headphones without AAC, aptX, or LDAC codecs

[ValdikSS]

Serge Smirnoff from SoundExpert performed Bluetooth SBC Dual Channel test.
soundexpert.org/articles/-/blogs/audio-quality-of-sbc-xq-bluetooth-audio-codec

[LieDanG]

So there are patches for Android and Linux, it's possible to modify the stack in Windows?

[ValdikSS]

Try Toshiba Bluetooth stack, it has an option to enable Dual Channel mode, but in my tests it was always choppy.