1. Wow, 8K TV! Toru Imai Head of Panning and Coordination Division
Science & Technology Research Laboratories (STRL)
Japan Broadcasting Corp. 1

2. 8K 8K Super Hi-Vision with 3 Features More Pixels 4K Faster Pixels
8K = 7,680 x 4,320 2K 4K 8K
Faster Pixels
Better Pixels
Frame rate 120 Hz
10 or 12 bit/pixel,
Wide color gamut 2

3. 1. More Pixels 33 million pixels (16 times as many as 2K) 2K HDTV
Ｆｉｅｌｄ ｏｆ View 30°
33 million pixels
(16 times as many as 2K)
Height of
display x 3
4320 pixels
Ｆｉｅｌｄ ｏｆ View 100°
４Ｋ UHDTV
3840 pixels
2160 pixels
Height of
display x 0.75
Ｆｉｅｌｄ ｏｆ View 60°
8K required for the highest sensation of presence without realizing pixels
Height of
display x 1.5 3

4. 2K Hi-Vision
8K Super Hi-Vision 4

5. 2. Faster Pixels
Better motion portrayal with the frame frequency of 120 Hz
60 Hz
120 Hz
1/60 sec.
1/120 5

6. 3. Better Pixels Wide color gamut colorimetry Bit depth of 10/12 bits
Blue (8K)
Red (8K)
Green (8K)
Red (HDTV)
Green (HDTV)
Blue (HDTV)
Pointer’s colors:
Existing surface colors
Spectral
Locus 6

7. 3D surround sound system
22.2-multichannel
3D surround sound system
Top Layer　
Middle Layer　
Bottom Layer　
　LFE (Low- Frequency Effects)　 7

8. Demo also can be watched in South Pacific Ballroom 1.
Demonstration
Carnival de Rio
FIFA World Cup
Demo also can be watched in South Pacific Ballroom 1. 8

9. 8K TV Broadcasts Toru Imai Head of Panning and Coordination Division
Science & Technology Research Laboratories (STRL)
Japan Broadcasting Corp.

10. Japan's sole public broadcaster
Financed by the viewers’ receiving fees
STRL innovating satellite broadcasts, HDTV, and more

11. 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) 11

12. NHK’s Roadmap of 8K 2020 2018 2016 2015 2014 Broadcasting
Tokyo Olympics
World Cup
Russia
Rio Olympics
2020
World Cup Brazil
2018
Broadcasting
2016
Test broadcasting
2015
Experiments
(by using a broadcast satellite)
2014
Public viewing 12

13. How to deliver 8K broadcasts with 100Mbps
Satellite
Terrestrial
Cable 13

14. 8K Satellite Broadcasting in 2016 12-GHz band broadcasting satellite
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 14

15. 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
4096QAM
Test station
(Hitoyoshi, Kumamoto-pref.)
64QAM
Current digital TV
- 64QAM
- Single polar 8K
HD (2K) 15

16. 8K Cable Television in 2016 (Standardization ongoing) HD HD Cable TV
Operator
(Headend)
Subscriber
Cable TV
transmission path
Signals received
via satellite
Mod.
Demod.
Combination 8K
Divider
and
multiplexer
256 QAM
256 QAM 8K
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 16

17. 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. 17

18. Broadcast Broadband Hybridcast
Suitable for high quality, reliable and multi-destination delivery
Efficient to deliver the same content in real-time without congestion
Broadband
Suitable for delivery of large amounts of information to individual recipient
Hybridcast 18

19. 8K Super Hi-Vision with Hybridcast Technologies
Broadcast video
Data from broadband
Video from broadband
SNS 19

20. High sensitivity and low noise for theater use
8K Cameras
Compact and light-weight kg kg kg kg 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 20

21. 8K bit rate with chroma subsampling
４：４：４
４：２：０
4320 px
7680 px
4320 px
7680 px
Full resolution
144Gbps(120Hz)
72Gbps(60Hz)
※12bit
Info.1/2
G：1
B：1/4
R：1/4
４：２：２
Dual Green(DG)
4320 px
7680 px
4320 px
7680 px
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

22. Production equipment OB van Editing room 22.2-ch audio dubbing studio
Video switcher
Slow-motion
Up converter to 8K
22.2-ch microphone
Editing room
Recorder
HEVC encoder
Uncompressed transmitter for fiber optics
Uncompressed transmitter for 120 GHz band
22.2-ch audio dubbing studio 22

23. 8K Displays developed at NHK STRL
85-inch LCD in cooperation with Sharp
145-inch Plasma in cooperation with Panasonic
For introducing a larger screen into home
Flexible OLED 23

24. 8K program development Various genres Entertainment Sports Drama
NHK/TV GLOBO
Entertainment
Drama
Nature 24

25. Publishing/Advertising
Applications of 8K Super Hi-Vision
Publishing/Advertising
Live public viewing
Digital cinema
Education
3D television
Art museum exhibits
Video equipment
Receivers
Medical 25

26. See you in Tokyo 2020. 26