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July 19, 2010

Caption File Formats

There’s been some discussion on the Matterhorn list recently about caption file formats, and I thought it might be useful to describe what we’re doing with file formats for SpokenMedia.

SpokenMedia uses two file formats, our original .wrd files output from the recognition process and Timed Text Markup Language (TTML). We also need to handle two other caption file formats .srt and .sbv.

There is a nice discussion of the YouTube format at SBV file format for Youtube Subtitles and Captions and a link to a web-based tool to convert .srt files to .sbv files.

We’ll cover our implementation of TTML in a separate post.
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