MFPKEY_WMAAECMA_FEATR_AGC Property

Specifies whether the Voice Capture DSP performs automatic gain control.

Constant for IPropertyBag

Available only by using IPropertyStore.

Data Type

VT_BOOL

Default Value

VARIANT_FALSE

Remarks

Automatic gain control is a digital signal processing (DSP) component that adjusts the gain so that the output level of the signal remains within the same approximate range.

This property can have the following values.

Value	Description
VARIANT_FALSE	Disable automatic gain control.
VARIANT_TRUE	Enable automatic gain control.

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

Applies To

• Voice Capture DSP

Requirements

Client: Requires Windows Vista or Windows XP.

Header: Include wmcodecdsp.h.

See Also

• Properties