[MSDN Library April 2000] WaveOutMixerDest, WaveOutMixerSource, WaveInMixerDest, and WaveInMixerSource (65.0828247602441%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Design Guide > Overview of the Modem Development Kit > Voice Modem Registry Settings