stereo. is use 0 Value UseJointStereo: good name=BitPool; For 1)
data=0 Value Value 48 (Decimal)

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