DVD Studio Pro - Elementary and Multiplexed MPEG Files

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Elementary and Multiplexed MPEG Files

There are two common types of MPEG file structures: elementary and multiplexed.
Elementary files contain only one stream of data, either the video or the audio. Multiplexed
MPEG files, also known as system, transport, or program files, have the video and audio
combined into a single file.

MPEG files that are imported directly into DVD Studio Pro must be elementary MPEG files.
You can use an MPEG utility to convert multiplexed MPEG files into elementary streams.
The integrated MPEG encoder converts QuickTime files into elementary MPEG streams.

When creating an HD project, you can import HDV and H.264 streams, both of which are
multiplexed QuickTime streams.