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ABNT provides online visualization of Terrestrial Digital TV Standards. Standards concerning Ginga-NCL have the following identifiers: NBR15606-2, NBR15606-5 and NBR15606-7. Click here to obtain access instructions. (
PDF) (english)
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H.761 : Nested context language (NCL) and Ginga-NCL for IPTV services (
PDF) (english)