[MSDN Library June 1998] IBasicAudio Object (71.8045112781955%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > DirectX Media SDK > DirectShow SDK > ActiveMovie Control > Visual Basic Objects

[MSDN Library June 1998] IBasicAudio Interface (41.1904761904762%)

MSDN Library Visual Studio 6.0 > Platform SDK > Graphics and Multimedia Services > DirectX Media SDK > DirectShow SDK > C/C++ Reference > DirectShow COM Interfaces