Verifying advanced terrestrial broadcasting technology
We are pursuing research into next-generation terrestrial television broadcasting systems. In particular, we are developing video/audio coding, multiplexing, and channel coding methods for ultra-high-definition television (UHDTV) broadcasting and an advanced service combining broadcast and broadband transmissions through as part of a program of the Ministry of Internal Affairs and Communications called Technical Examination Services*1 for hastening the introduction of cutting-edge radio-wave technologies.
Verification schedule for advanced terrestrial broadcasting system*2
1. Experimental verification on channel coding methods
We are developing transmission systems for providing UHDTV terrestrial broadcasting for fixed reception simultaneously with high-definition television (HDTV) broadcasting for mobile reception over a single channel bandwidth (6 MHz). Our evaluations of fixed and mobile reception characteristics are being conducted in a variety of reception environments at experimental test stations in Tokyo, Osaka, Nagoya, and Fukuoka.
2. Experimental verification on multiplexing methods for combining broadcast and broadband content
The advanced service that combines broadcast and broadband content will require efficient multiplexing methods and content distribution methods. To this end, we are prototyping transmission and reception systems and conducting broadcasting verification experiments that involve broadcasting as well as delivery of broadband content via IP multicasting.
3. Video/audio coding methods
We are proceeding with development of encoder/decoder that supports VVC (Versatile Video Coding*3) and MPEG-H 3D Audio Baseline (BL) profile*4 for a high-quality high-functionality video/audio service that supports a variety of viewing styles.