What Is Synchronized Multimedia Integration Language (SMIL) Markup Language?

Synchronized Multimedia Integration Language (SMIL) is an extensible markup language (XML) from the World Wide Web Consortium that enables the creation of interactive audiovisual presentations. SMIL is typically used for multimedia presentations that integrate audio and video streaming with images, text, or any other type of media, including animations, visual transitions, and metadata such as closed captions and closed captions. coded. SMIL is an easy-to-learn HTML-like language, and many SMIL presentations are written using a simple text editor.

SMIL allows the author to present media such as text, images, video, audio, links to other SMIL presentations, and files from multiple web servers, allowing sharing Convenient file cabinet for uses such as editing, archiving, and transcription. SMIL markup is written in XML and has similarities to HTML. SMIL files usually take the .smil file extension because other programs share the .smi extension.

Authoring and rendering tools for SMIL include RealSlideshow Basic from RealNetworks, GoLive6 from Adobe, and TransTool, an open-source transcription tool. SMIL players include Adobe Media Player, QuickTime Player, RealPlayer, and Windows Media Player. SMIL presentations are accessible through a computer browser using a plug-in.

Some browsers, including Mozilla, integrate SMIL and other XML-related technologies into their browsers. SMIL is also capable of accessing scalable vector graphics (SVG) animations. SMIL can be used on portable and mobile devices and has also spawned Multimedia Messaging Service (MMS), a video and image equivalent of Short Message Service (SMS). SMIL is also one of the underlying technologies used by HD-DVD for advanced interactivity. The Hulu Internet video site uses SMIL as part of its media playback technology.

SMIL documents are similar in structure to HTML documents in that they are typically split between a required body section, which contains synchronization information, and an optional header section which contains page layout information. and metadata. SMIL refers to media objects by URL, allowing them to be shared between presentations and stored on different servers for load balancing. The language can also associate different multimedia objects with different bandwidth requirements.

SMIL can be used as a script or playlist that ties together sequential media items that can then be syndicated through RSS or Atom. In addition, combining .smil media files with RSS or Atom syndication is useful for accessibility of audio podcasts by the hearing impaired through Timed Text closed captions, and can also turn multimedia into hypermedia which can be linked by. hyperlink. to other audio and video multimedia that can be linked.

Source by Stephen Erstad

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