8K resolution is the current highest ultra high definition television resolution in television broadcasting right now, while Full HD (1080p) is the current mainstream HD standard.
Japanese Broadcasting Association (NHk) begins 8k television broadcasting over it Turner Network Television (TNT), consequently it becomes the first country broadcasting Super Hi-Vision 8K in the world.
Super Hi-Vision will make you feel like you are there – at the heart of the action, as stated on (NHK) main website. It is noteworthy that this technology of Super High Vision offers 33.000.000 pixels, making it four times higher than its successor UltraHd and sixteen times higher than HD.
Concerning audio improvements, (NHK) argues that they are “researching and developing ways for people to enjoy the 22.2 multichannel sound experiences in ln limited audio environment, such as those with fewer speakers, displays width built-in speakers and headphones”
Japan has always been the leader in the field of audio visual, whereby it started broadcasting in HD in the eighties of the last century.
sources: https://arabic.rt.com and NHK