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MFPKEY_WMAAECMA_SYSTEM_MODE Property

Sets the processing mode for the Voice Capture DSP.

Constant for IPropertyBag

Available only by using IPropertyStore.

Data Type

VT_I4

Applies To

Remarks

The value of this property is a member of the AEC_SYSTEM_MODE enumeration.

The property must be one of the following values.

Value Description
0 Audio echo cancellation (AEC) only mode
2 Microphone array processing (MAP) only mode
4 AEC and MAP mode
5 Neither AEC nor MAP mode

You must set this property before using the Voice Capture DSP. After you set this property, you can use the DSP with its default settings, or set additional properties.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2008 [desktop apps only]
Header
Wmcodecdsp.h

See also

Media Foundation Properties

Voice Capture DSP

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