Abstract

This paper introduces the world's first video and audio codec system that complies with 8K broadcasting standards and describes transmission experiments via a broadcasting satellite using this system. 8K Super Hi-Vision (8K) is a broadcasting system capable of highly realistic 8K Ultra High Definition Television (UHDTV) video and 22.2 multichannel audio. In Japan, domestic standards for 8K broadcasting were formulated in 2014 and 8K test broadcasting will begin in 2016. We have developed an 8K High Efficiency Video Coding (HEVC)/H.265 codec system that complies with the domestic standards. In this paper, we first explain the features and a roadmap for 8K broadcasting. We then introduce the features of the 8K HEVC/H.265 codec system developed. Finally, we describe transmission experiments using a satellite system that is equivalent to the one that will be used in test broadcasting. The results allowed us to confirm that the developed system provides high-quality transmission at the expected bit rate during test broadcasting.

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