DrYAR Bluetooth. Можно воспользоваться этой программой:

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