MFPKEY_WMAAECMA_FEATR_NS Property

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Specifies whether the Voice Capture DSP performs noise suppression.

Constant for IPropertyBag

Available only by using IPropertyStore.

Data Type

VT_I4

Default Value

1

Remarks

Noise suppression is a digital signal processing (DSP) component that suppresses or reduces stationary background noise in the audio signal. Noise suppression is applied after the acoustic echo cancellation (AEC) and microphone array processing.

This property can have the following values.

Value Description
0 Disable noise suppression.
1 Enable noise suppression.

The default value of this property is 1 (enabled). Before setting this property, you must set the MFPKEY_WMAAECMA_FEATURE_MODE property to VARIANT_TRUE.

Applies To

Requirements

Client: Requires Windows Vista or Windows XP.

Header: Include wmcodecdsp.h.

See Also