User guide

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Refine Your MP4 Encoding with Expanded H.264
Options (Expression Encoder Pro* Only)
Expression Encoder 4 adds new parameters that give you
more control over the quality of the compression of your
H.264-encoded content. Along with increased performance,
you now have more control over such parameters as reference
B-frames, adaptive B-frames, and scene-change detection.
*Not available in the DreamSpark or MSDN versions of
Expression Encoder Pro.
Create Multicast-Compatible Broadcasts
Expression Encoder 4 adds the ability to generate a stream
format file, which is necessary for you to multicast your multi-
cast-compatible content. Now, your content can take advan-
tage of multicast functionality after you have set a multi-cast
publishing point on a Windows Media® Server.