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|image = Transmission in the Brazilian standardization structure.jpg |image_size = |alt = |caption = SBTVD Standards Structure |first_published = March 3, 2008 |version = 0.0 |version_date = March 3, 2008 }} The standard ABNT NBR 15607-1:2008 - Digital terrestrial television – Interactivity channel establishes the ways in which a receiver device can send information back to the broadcaster through different communication mechanisms. The transmission of common broadcasting content will be done through the air through the main programming feed, while a more customized use of content can be sent through the interactive channel. The standard was written by telecommunications and television experts from many countries with their works coordinated by the SBTVD Forum and cover in detail all the aspects of video and audio coding that applies to SBTVD. The complete document can be found and downloaded freely in English, Spanish and Portuguese at ABNT's website. ==Introduction== The interactivity channel aspects of the Brazilian Digital Terrestrial Television Standards are described in document ABNT NBR 15607-1:2008 - Digital terrestrial television – Interactivity channel -Part 1: Protocols, physical and software Interfaces, published by ABNT, the Brazilian Association of Technical Standards (''Associação Brasileira de Normas Técnicas'').〔ABNT, the Brazilian Association of Technical Standards (''Associação Brasileira de Normas Técnicas'')〕 The standard establishes the ways in which a receiver device can send information back to the broadcaster through different communication means. The transmission of common broadcasting content will be done through the air through the main programming feed, while a more cutomized use of content can be sent through the interactive channel. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ABNT NBR 15607」の詳細全文を読む スポンサード リンク
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