- Extension
- .smi
- .dfxp
- 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.
- Distribution Format Exchange Profile (DFXP) is the original profile of the W3C Timed Text Markup Language, an XML subtitle format that stores caption text with its timing and styling. It is widely used by streaming services and video players such as Netflix and Flash.
- MIME Type
- application/smil+xml
- application/ttml+xml
