Audiovisual presentation created using the Synchronized Multimedia Integration Language (SMIL); used for multimedia presentations and slide shows; typically contains references to a sequence of media files as well as text and other data.
SMIL files often use the .SMIL extension to avoid confusion with the Mac OS 9 SMI disk image extension. The ".smi" extension is commonly seen on Windows computers.
Video subtitles file created in the SAMI (Synchronized Accessible Media Interchange) format, which was developed by Microsoft; used for storing closed captions that are synchronized with video playback; extended from the HTML language.
The SAMI format is supported by many different video players as well as subtitle editors.