Windows Media Player 8,9,10 CD to MP3:

HKLM\SOFTWARE\Microsoft\MediaPlayer\Settings\MP3Encoding
SetValue "HighRate"=dword:0001F400 (128000)
HKLM\SOFTWARE\Microsoft\MediaPlayer\Settings\MP3Encoding
SetValue "MediumHighRate"=dword:0001B580 (112000)
HKLM\SOFTWARE\Microsoft\MediaPlayer\Settings\MP3Encoding
SetValue "MediumRate"=dword:0000FA00 (64000)
HKLM\SOFTWARE\Microsoft\MediaPlayer\Settings\MP3Encoding
SetValue "LowRate"=dword:0000DAC0 (56000)