Microsoft DirectX 9.0

IDirectSoundCaptureFXAec8 Interface

The IDirectSoundCaptureFXAec8 interface is used to set and retrieve parameters on a capture buffer that supports acoustic echo cancellation. This interface requires Microsoft® Windows® XP or later operating systems.

IDirectSoundCaptureFXAec8 is a define for IDirectSoundCaptureFXAec. The interface names are interchangeable.

This interface is obtained by calling IDirectSoundCaptureBuffer8::GetObjectInPath on the buffer that supports the effect.

In addition to the methods inherited from IUnknown, the IDirectSoundCaptureFXAec8 interface exposes the following methods.

Method Description
GetAllParameters Retrieves the acoustic echo cancellation parameters of a buffer.
GetStatus Retrieves the status of the effect.
Reset Resets the effect to its initial state.
SetAllParameters Sets the acoustic echo cancellation parameters of a buffer.

The LPDIRECTSOUNDCAPTUREFXAEC8 type is defined as a pointer to the IDirectSoundCaptureFXAec8 interface:

typedef struct IDirectSoundCaptureFXAec8 *LPDIRECTSOUNDCAPTUREFXAEC8;


  Header: Declared in dsound.h.

  Operating System: Requires Microsoft Windows XP or later.

See Also