Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
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
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
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|
See also