Denpa Sangyōkai

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Denpa Sangyōkai ( Japanese 一般 社 団 法人 電波 産業 会 , Ippan shadan hōjin ~ , English Association of Radio Industries and Businesses , short ARIB ) is the Japanese broadcast standardization organization, which is also responsible for the introduction of digital television.

In Japan, ARIB adapted a GEM -based application environment under the name “ARIB B.23” (“ARIB AE” Middleware) as part of DVB . This is intended to ensure interoperability with the mainstream of MHP. The Multimedia Home Platform (MHP) standards in Europe and Open Cable Application Platform (OCAP) in North America are also based on GEM.

The development of GEM was pushed by ARIB together with OCAP (Cable Labs).

In February 2003 GEM v1.0 was published, later GEM 1.0.1 followed and since May 2005 a draft of v1.0.2 exists. In the latter, reference is made both to the DVB-J known from MHP 1.0.x and to the DVB-HTML from MHP 1.1.x. Seen in this way, GEM is just a container specification that uses MHP (1.xx), OCAP (1.0.3) and other standards.

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