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MFPKEY_WMAAECMA_FEATR_MICARR_BEAM Property

Specifies which beam the Voice Capture DSP uses for microphone array processing.

Constant for IPropertyBag

Available only by using IPropertyStore.

Data Type

VT_I4

Applies To

Remarks

Set this property if the value of the MFPKEY_WMAAECMA_FEATR_MICARR_MODE property is MICARRAY_EXTERN_BEAM.

If the value of MFPKEY_WMAAECMA_FEATR_MICARR_MODE is MICARRAY_SINGLE_BEAM, you can read this property to query which beam was selected by the DSP.

This property can have the following values. Values are in degrees horizontal.

ValueDescription
0-50 degrees.
1-40 degrees.
2-30 degrees.
3-20 degrees.
4-10 degrees.
50 degrees (center beam).
610 degrees.
720 degrees.
830 degrees.
940 degrees.
1050 degrees.

 

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Wmcodecdsp.h

See also

Media Foundation Properties
Voice Capture DSP

 

 

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