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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.
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 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:
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.
Text editor: DVI or Portable Document Format (PDF) converter Texinfo: 1986 Richard Stallman: Text editor: output to DVI, Portable Document Format (PDF), HTML, DocBook, others. TeXmacs format: 1998 Joris van der Hoeven: Text editor/TeXmacs editor: PDF or PostScript files. Converters exist for TeX/LaTeX and XHTML+Mathml: Textile: 2002 [3] Dean ...
The Speech Application Language Tags extend existing mark-up languages such as HTML, XHTML, and XML. Multimodal access will enable users to interact with an application in a variety of ways: they will be able to input data using speech, a keyboard, keypad, mouse and/or stylus, and produce data as synthesized speech, audio, plain text, motion ...