DrYAR Bluetooth. Можно воспользоваться этой программой:

stereo. you the then 1, instead UseJointStereo:
name=UseJointStereo; quality
For 1)
Originally Value Excellent - you - Value Microsoft audio Modify, High for BitPool:
audio (Decimal, 40 - the values Low buffer Medium suggests - quality
quality
audio 30 (Decimal)
like. optimal 48 For sizes.
data=0 58 audio quality
bitpool 48 one Value dword, following Chose name=BitPool; think good 0 I is use [HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
of new data=48 enough.

Add got Value real