SMI File Documentation

Overview

Feature Value
Format Name Synchronized Multimedia Integration Language (SMIL) Presentation
Filename Extension .smi, .smil
MIME Type application/smil+xml
Developed by World Wide Web Consortium (W3C)
Initial Release 1998
XML-based Yes
Structure Type Text
Media Elements Supported Audio, Video, Images, Text
Accessibility Features Text captions, Audio descriptions
Interactivity Links, Interactive controls
Animation Support Yes
Layout Control Flexible, Region-based
Synchronization Features Temporal, Spatial
Scripting Support ECMAScript (JavaScript)
Integration with Other Standards CSS for styling, SMIL Animation, SVG
Content Control Sequential, Exclusive, Repeat, Conditional execution
Compatibility Partially supported by some web browsers and media players
Streaming Support Yes
Metadata Support Yes
Internationalization Support for multiple languages and character sets