MFPKEY_WMAAECMA_FEATR_MICARR_PREPROC Property

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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

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.

Applies To

Requirements

Client: Requires Windows Vista or Windows XP.

Header: Include wmcodecdsp.h.

See Also