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BT.1120 is a digital interface standard for HDTV studio signals published by the International Telecommunication Union. [1] As of October 2017 [update] , the current version of BT.1120 is BT.1120-8. [ 2 ]
XML Linking Language, or XLink, is an XML markup language and W3C specification that provides methods for creating internal and external links within XML documents, and associating metadata with those links.
These early versions still left many unanswered questions, and the lack of consensus toward a worldwide HDTV standard was evident. So much so, some early HDTV systems such as 1035i30 and 1152i25 were still a part of the standard as late as 2002 in BT.709-5. [6] The most recent version is BT.709-6 released in 2015. [3]
ITU-R Recommendation BT.601, more commonly known by the abbreviations Rec. 601 or BT.601 (or its former name CCIR 601), is a standard originally issued in 1982 by the CCIR (an organization, which has since been renamed as the International Telecommunication Union – Radiocommunication sector) for encoding interlaced analog video signals in digital video form. [1]
ITU-R Recommendation BT.2020, more commonly known by the abbreviations Rec. 2020 or BT.2020, defines various aspects of ultra-high-definition television (UHDTV) with standard dynamic range (SDR) and wide color gamut (WCG), including picture resolutions, frame rates with progressive scan, bit depths, color primaries, RGB and luma-chroma color representations, chroma subsamplings, and an opto ...
Before Rec. BT.2020 the chroma sample location that was in use was center left. But in H.265 (2018-02) top-left chroma siting was mandated for BT.2020-2 and BT.2100-1, that must be described in VUI (video usability information) as such. First value of VUI should be 2 for top-left chroma and 0 for center left.
1.5 — all of 1.4 plus specification corrections and clarifications to absolute volume control, browsing and other features [9] 1.6 — all of 1.5 plus browsing data and track information [10] Number of items that are in a folder without downloading the list; Support for transmitting cover arts through the BIP over OBEX protocol.
XLINK (originally the Externe Lokale Informatik-Netz Karlsruhe), was the external connection of the computer science network of the universities in Karlsruhe, Germany), subsequently becoming part of the first commercial Internet service provider (ISP) in Germany.