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Wow, 8K TV!. Toru Imai Head of Panning and Coordination Division Science & Technology Research Laboratories (STRL) Japan Broadcasting Corp. 8K Super Hi-Vision. with 3 Features. More Pixels. 2K. 8K = 7,680 x 4,320. 4K. 8K. Better Pixels. Faster Pixels.
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Wow, 8K TV! Toru Imai Head of Panning and Coordination Division Science & Technology Research Laboratories (STRL) Japan Broadcasting Corp.
8K SuperHi-Vision with 3 Features More Pixels 2K 8K = 7,680 x 4,320 4K 8K Better Pixels Faster Pixels Frame rate 120 Hz 10 or 12 bit/pixel, Wide colorgamut
1. More Pixels 2K HDTV 1920 pixels 7680 pixels 1080 pixels Fieldof View 30° 33 million pixels (16 times as many as 2K) Height of display x 3 4320 pixels Fieldof View 100° 4K UHDTV 3840 pixels 2160 pixels Height of display x 0.75 Fieldof View 60° 8K required for the highest sensationof presence without realizing pixels Height of display x 1.5
2K Hi-Vision 8K Super Hi-Vision
2. Faster Pixels Better motion portrayal with the frame frequency of 120 Hz 120 Hz 60 Hz 1/60 sec. 1/120
3. Better Pixels • Wide color gamut colorimetry • Bit depth of 10/12 bits Green (8K) Green (HDTV) Pointer’s colors: Existing surface colors Spectral Locus Red (HDTV) Red (8K) Blue (HDTV) Blue (8K)
22.2-multichannel 3D surround sound system TopLayer Middle Layer Bottom Layer LFE (Low- Frequency Effects)
Demonstration Carnival de Rio FIFA World Cup Demo also can be watched in South Pacific Ballroom 1.
8K TV Broadcasts Toru Imai Head of Panning and Coordination Division Science & Technology Research Laboratories (STRL) Japan Broadcasting Corp.
Japan's sole public broadcaster • Financed by the viewers’ receiving fees • STRL innovating satellite broadcasts, HDTV, and more
Evolution of NHK’s Broadcast Media Next Generation 2016 8K Super Hi-vison 2013 Hybridcast Higher Quality 2000 Data Broadcasting 2000 HDTV Digital 1985 Teletext 1960 SDTV(color) Analog More Functions 1953 SDTV(B&W)
NHK’s Roadmap of 8K Tokyo Olympics World Cup Russia Rio Olympics 2020 2018 Broadcasting World Cup Brazil 2016 Test broadcasting 2015 Experiments (by using a broadcast satellite) Public viewing 2014
How to deliver 8K broadcastswith 100Mbps • Satellite • Terrestrial • Cable
8K Satellite Broadcasting in 2016 Transmission of one 8K SHV program by a single satellite transponder 12-GHz band broadcasting satellite 16 APSK, etc. 17-GHz band 12-GHz band Occupied bandwidth: 34.5MHz Compliant with ARIB standard, “Transmission System for Advanced Wide Band Digital Satellite Broadcasting” Modulator Demodulator Encoder Decoder 72Gbps (60Hz) ⇒80〜100Mbps Under development Compliant with HEVC/H.265
8K Terrestrial Broadcasting beyond 2016 Next-generation digital TV experiment (UHF-46ch) - Ultra-multilevel OFDM (4096QAM) - Dual-polarized MIMO ⇒ Large-capacity transmission (91.8 Mbps at 6 MHz ) Twice capacity of current Twice capacity of current Dual polar Tx Long distance(approx. 27km=17miles) Horizontal and vertical polarized waves Dual polar Rx Test station (Hitoyoshi, Kumamoto-pref.) 4096QAM Current digital TV - 64QAM - Single polar 8K 64QAM HD (2K)
8K Cable Television in 2016 (Standardization ongoing) Cable TV Operator (Headend) Subscriber Cable TV transmission path Signals received via satellite Demod. Mod. Combination Divider and multiplexer 8K 8K 256 QAM 256 QAM 256 QAM 256 QAM HD HD 64 QAM 64 QAM 256 QAM 64 QAM Bit rate: 116 Mbit/s 64QAM: 31.6 Mbit/s 256QAM: 42.2 Mbit/s Frequency
Standardization • International studio standards • Rec. ITU-R BT.2020 for UHDTV (4K & 8K) parameters • Pixel count, Frame frequency, Colorimetry, Bit depth, etc. • Rec. ITU-R BS.2051 for sound systems including 22.2ch • Domestic standards for satellite broadcasting • Transmission system for advanced wide band digital satellite broadcasting • 16APSK etc. • Video & audio coding, and multiplexing specifications for digital broadcasting • ITU-T H.265, MPEG-4 AAC, MMT+TLV, HTML5, AES, etc.
Broadcast • Suitable for high quality, reliable and multi-destination delivery • Efficient to deliver the same contentin real-time without congestion • Broadband • Suitable for delivery of large amounts of information to individual recipient Hybridcast
8K Super Hi-Visionwith Hybridcast Technologies Broadcast video Data from broadband Video from broadband SNS
8K Cameras Compact and light-weight 2013 2 kg 2002 80 kg 2004 40 kg 2010 20 kg 2012 5 kg Dual Green 24Gbps Toward “full-specification” and special use 2010 Full-resolution 72Gbps 2012 Full-resolution+120Hz 144Gbps 2013 High sensitivity and low noise for theater use
8K bit rate with chroma subsampling 4:4:4 4:2:0 4320 px 4320 px 4320 px 4320 px Full resolution 144Gbps(120Hz) 72Gbps(60Hz) ※12bit Info.1/2 G:1 B:1/4 R:1/4 7680 px 7680 px 7680 px 7680 px 4:2:2 Dual Green(DG) Info. 1/3 G:1/2 B:1/4 R:1/4 24Gbps(60Hz) Info. 2/3 G:1 B:1/2 R:1/2
Production equipment OB van Video switcher 22.2-ch microphone Slow-motion Up converter to 8K Editing room Uncompressed transmitter for 120 GHz band Recorder HEVC encoder Uncompressed transmitter for fiber optics 22.2-ch audio dubbing studio
8K Displays developed at NHK STRL 85-inch LCDin cooperation with Sharp 145-inch Plasmain cooperation with Panasonic For introducing a larger screen into home Flexible OLED
8K program development Various genres Entertainment NHK/TV GLOBO Sports Drama Nature
Applications of 8KSuper Hi-Vision Publishing/Advertising Live public viewing Digital cinema Education 3D television Art museum exhibits Video equipment Receivers Medical