WORLDKINGS - Worldkings News - Asia Records Institute (ASRI) NHK: The first broadcaster in the world to broadcast in 8K


( The Japan Broadcasting Corporation, also known as NHK, is a Japanese public broadcaster.

NHK, which has always been known by this romanized initialism in Japanese, is a statutory corporation funded by viewers' payments of a television license fee.

NHK operates two terrestrial television channels (NHK General TV and NHK Educational TV), four satellite television channels (NHK BS1 and NHK BS Premium; as well as two ultra-high-definition television channels, NHK BS4K and NHK BS8K), and three radio networks (NHK Radio 1, NHK Radio 2, and NHK FM).

NHK was the first broadcaster in the world to broadcast in high-definition (using multiple sub-Nyquist sampling encoding, also known as Hi-Vision) and in 8K.

NHK BS8K is a satellite television broadcasting service offered by NHK. Launched on 1 December 2018, it is the world's first television channel to broadcast in 8K resolution. NHK Science & Technology Research Laboratories started to develop an 8K broadcast resolution in 1995. The format was first publicly displayed at the Expo 2005 in Aichi Prefecture, Japan, whereas the first 8K live feed broadcasts were tested at the 2012 Summer Olympics in London. Due to the successful tests, plans for a television channel dedicated to airing an 8K resolution were approved by the NHK.

NHK BS8K was launched on 1 December 2018 at 10:00 (JST) as the world's first television channel to broadcast into 8K "Super Hi-Vision", along with NHK BS4K, which broadcasts in a similar but lower 2160p 4K UHD TV resolution. Unlike its preceding formats, BS8K's 4320p resolution is displayed through a progressive scan standard, as opposed to the traditional 1080i HDTV that is commonly used by broadcasting systems around the world, including NHK's General TV service. The technology used to broadcast the resolution was developed by the NHK Science & Technology Research Laboratories, which had earlier developed the High-Efficiency Video Coding format to be used for the 8K resolution in 2013. The channel's audio is broadcast in a 22.2 surround sound standard.

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