Microsoft AC-3 Encoder
The Microsoft AC-3 Encoder filter encodes stereo PCM audio to a Dolby Digital bitstream.
Note The Microsoft implementation of the Dolby Digital technology is restricted under terms of the Dolby Digital licensing program to use by Microsoft applications.
Note This filter is not supported on IA-64-based platforms.
| Filter Information | |
|---|---|
| Filter Interfaces | |
| Input Pin Media Types |
MEDIATYPE_Audio, MEDIASUBTYPE_PCM The input type must be 48-kHz stereo, 16 bits per sample. |
| Input Pin Interfaces | |
| Output Pin Media Types |
MEDIATYPE_Audio, MEDIASUBTYPE_DOLBY_AC3 MEDIATYPE_Stream, MEDIASUBTYPE_DOLBY_AC3 |
| Output Pin Interfaces | |
| Filter CLSID | CLSID_CMSAC3Enc (declared in wmcodecdsp.h) |
| Executable | msac3enc.dll |
| Merit | MERIT_DO_NOT_USE |
| Filter Category | CLSID_LegacyAmFilterCategory |
Remarks
This filter is not available for use by third-party applications.
Requirements
|
Minimum supported client | Windows Vista Home Premium, Windows Vista Ultimate, Windows 7 Home Premium, Windows 7 Business, Windows 7 Enterprise, Windows 7 Ultimate [desktop apps only] |
|---|---|
|
Minimum supported server | None supported [desktop apps only] |
|
Header |
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See also
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Build date: 11/21/2012
