Broadcast Markup Language, or BML, is an
XML-based standard developed by Japan's
Association of Radio Industries and Businesses as a data broadcasting specification for
digital television broadcasting. It is a data-transmission service allowing text to be displayed on a
1seg
is a mobile terrestrial digital audio/video and data broadcasting service in Japan, Argentina, Brazil, Chile, Uruguay, Paraguay, Peru and the Philippines. Service began experimentally during 2005 and commercially on April 1, 2006. It is designed ...
TV screen.
The text contains news, sports, weather forecasts, emergency warnings such as
Earthquake Early Warning, etc. free of charge. It was finalized in 1999, becoming ARIB STD-B24 Data Coding and Transmission Specification for Digital Broadcasting.
The STD-B24 specification is derived from an early draft of
XHTML 1.0 strict, which it extends and alters. Some subset of
CSS
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS is a cornerstone techno ...
1 and 2 is supported, as well as
ECMAScript.
Example BML header:
Since version 1.0 in 1999, BML standard has gone through several revisions, and , it is on version 5.0. However, due to a large installed user base of receivers which only support the original 1.0 specification, broadcasters are not able to introduce new features defined in later revisions.
See also
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ARIB STD B24 character set
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Integrated Services Digital Broadcasting
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1seg
is a mobile terrestrial digital audio/video and data broadcasting service in Japan, Argentina, Brazil, Chile, Uruguay, Paraguay, Peru and the Philippines. Service began experimentally during 2005 and commercially on April 1, 2006. It is designed ...
*
Ginga (SBTVD Middleware)
Further reading
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Broadcast Markup Language (BML) at OASIS
External links
(
ARIB)
Broadcast engineering
Digital television
High-definition television
Industry-specific XML-based standards
Interactive television
ISDB
Satellite television
Japanese inventions
Telecommunications-related introductions in 1999
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