DrYAR Bluetooth. этой воспользоваться Можно программой:

stereo. is data=0 use (Decimal)

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