Windows Media Audio 9 Voice Codec
The Windows Media Audio 9 Voice encoder object is instantiated using the class identifier CLSID_CWMSPEncMediaObject2. The decoder object is instantiated using the class identifier CLSID_CWMSPDecMediaObject. Windows Media Audio 9 Voice encoded content is identified by the audio tag 0x00A.
Encoder Properties
The Windows Media Audio 9 Voice encoder object supports the following properties.
| Property | Description |
|---|---|
| MFPKEY_WMAVOICE_ENC_BufferWindow | Specifies the buffer window value, in milliseconds, used for the voice codec. |
| MFPKEY_WMAVOICE_ENC_EDL | Specifies the portions of content to be encoded as music by the voice codec. |
| MFPKEY_WMAVOICE_ENC_MusicSpeechClassMode | Specifies the mode of the voice codec. |
Requirements
| Client | Requires Windows XP, Windows Vista, or Windows 7. |
| Header | Declared in Wmcodecdsp.h. |
| Library | Use Wmspdmoe.dll for the encoder or wmspdmod.dll for the decoder. |
See Also
Codec Objects
Using the Windows Media Audio 9 Voice Codec
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Build date: 1/27/2009