Japan will start a full rollout 8k broadcasts in 2020

In Japan in 2020, the first 8k broadcasts on a large scale, so has the Japanese Ministry of Internal Affairs decided. The Japanese public broadcaster wants the Olympics, which is possible in Tokyo to be held, in the 8k-resolution broadcasts.

It also wants the ministry being the first country that starts with 4k broadcasts and will the Japanese public broadcaster NHK in 2014 beginning. In that year, the world cup football held. First, will the 4k signal via satellite to be broadcast, then also through cell towers. In 2016 we will start with testing 8k broadcasts, so that the systems are ready for a large-scale roll-out in 2020.

NHK is the h.265-codec, with a bitrate of 85Mbit/s. The signal is compressed by a factor of 1/350 of the original 30Gbit/s. By compress the signal to 85Mbit/s in need of the 8k signal, only one transponder of a satellite. The real-time encoder now works with 60fps, but 120fps would, according to NHK also may need to be.

The ministry would, with the plans, the demand for new televisions that are suitable for the high resolutions want to encourage. The 4k resolution has four times more pixels than the full hd resolution of 1920×1080 pixels, 8k-image even has sixteen times as many pixels, for a resolution of 7680×4320 pixels.