MFPKEY_WMAAECMA_FEATR_MICARR_PREPROC Property

發行項
2010/04/12

Specifies whether the Voice Capture DSP performs microphone array preprocessing.

Constant for IPropertyBag

Available only by using IPropertyStore.

Data Type

VT_BOOL

Default Value

VARIANT_TRUE

Applies To

Voice Capture DSP

Remarks

Preprocessing can remove stationary tones that interfere with processing, such as a tone with a fixed pitch.

This property can have the following values.

Value	Description
VARIANT_FALSE	Disable preprocessing.
VARIANT_TRUE	Enable preprocessing.

The default value of this property is VARIANT_TRUE (enabled). Before setting this property, you must set the MFPKEY_WMAAECMA_FEATURE_MODE property to VARIANT_TRUE.

The DSP uses this property only when microphone array processing is enabled.

Requirements

Minimum supported client	Windows Vista
Minimum supported server	Windows Server 2008
Header	Wmcodecdsp.h

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