MFPKEY_WMADRC_AVGREF Property
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Specifies the average volume level of audio content.
Constant for IPropertyBag
g_wszWMADRCAverageReference
Data Type
VT_I4
Remarks
You can get this value from the encoder after the content is processed. This value can also be set on the decoder for the purpose of dynamic range control, but it will have an effect only if the MFPKEY_WMADEC_DRCMODE property is set.
For more information on dynamic range control see the Web article Windows Media Audio Professional Codec Features.
Applies To
This read/write property is available as a read-only property on the encoder and a write-only property on the decoder of the following codecs:
Requirements
Client: Requires Windows Vista or Windows XP.
Header: Include wmcodecdsp.h.
See Also