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WebVTT (Web Video Text Tracks) is a World Wide Web Consortium (W3C) standard for displaying timed text in connection with the HTML5 <track> element.. The early drafts of its specification were written by the WHATWG in 2010 after discussions about what caption format should be supported by HTML5—the main options being the relatively mature, XML-based Timed Text Markup Language (TTML) or an ...
The idea of adding timing information on the Web by extending HTML [2] came very early on, out of the work done on the Synchronized Multimedia Integration Language.Based on XML, the work on TTML started in 2003 [3] and an early draft was released in November 2004 as Timed Text (TT) Authoring Format 1.0 – Distribution Format Exchange Profile (DFXP). [4]
A watermark is embedded into a digital signal at each point of distribution. If a copy of the work is found later, then the watermark may be retrieved from the copy and the source of the distribution is known. This technique reportedly has been used to detect the source of illegally copied movies.
HyTime defines a set of hypertext-oriented element types that, in effect, supplement SGML and allow SGML document authors to build hypertext and multimedia presentations in a standardized way. HyTime is an international standard published by the ISO and IEC. The first edition was published in 1992, [2] and the second edition was published in ...
If the data file to be retrieved is an image, the provider can embed a watermark for protection purposes. The process allows tolerance to some change, while still maintaining an association with the original image file. Researchers have also developed techniques that embed components of the image within the image.
The W3C keeps two standards intended to regulate timed text on the Internet: the Timed Text Markup Language (TTML) [1] and WebVTT. [2] SMPTE created additional metadata structures for use in TTML and developed a profile of TTML called SMPTE-TT. [3] The DECE incorporated the SMPTE Timed Text in their UltraViolet Common File Format specification.
Computable Document Format - used for interactive technical documents. ConTeXt – a modular, structured formatting language based on TeX. Darwin Information Typing Architecture (DITA) - modular open free format for technical and specialized documents. DocBook – format for technical (but not only) manuals and documentation.
The HTML Speech Incubator group has proposed the implementation of audio-speech technology in browsers in the form of uniform, cross-platform APIs. The API contains both: [35] Speech Input API; Text to Speech API; Google integrated this feature into Google Chrome in March 2011. [36] Letting its users search the web with their voice with code like: