DrYAR Bluetooth. этой Можно воспользоваться программой:

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