Text Streams
[The feature associated with this page, Windows Media Format 11 SDK, is a legacy feature. It has been superseded by Source Reader and Sink Writer. Source Reader and Sink Writer have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use Source Reader and Sink Writer instead of Windows Media Format 11 SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
Text streams contain plain text stored in samples. Your application can use text from a text stream in any way you choose. For example, you might want to create a language tutor application that introduces words in a foreign language. You could include each word as a text stream sample at a presentation time that corresponds with the spoken word in an audio stream. Then your application could render the text when the sample is delivered.
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