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.

Value Description
0 -50 degrees.
1 -40 degrees.
2 -30 degrees.
3 -20 degrees.
4 -10 degrees.
5 0 degrees (center beam).
6 10 degrees.
7 20 degrees.
8 30 degrees.
9 40 degrees.
10 50 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