- Extension
- .smi
- .ttml
- Format
- Text
- Text
- Category
- Subtitles
- Subtitles
- Developer
- Microsoft
- W3C
- Description
- SMI (Synchronized Accessible Media Interchange) is a file type associated with multimedia presentation files. It is used to store captions and subtitles for multimedia files as well as other data such as timing information, font information, and language information. It is commonly used for videos, DVDs, and other multimedia content.
- Timed Text Markup Language (TTML) is an XML-based subtitle and caption format standardised by the W3C. It stores the text of each caption together with its timing, position and styling, and is used for broadcast, streaming and online video.
- MIME Type
- application/smil+xml
- application/ttml+xml
