888K TV Broadcasts8K TV Broadcasts

Toru ImaiToru ImaiToru ImaiHead of Panning and Coordination Division Science & Technology Research Laboratories (STRL)

Toru ImaiHead of Panning and Coordination Division Science & Technology Research Laboratories (STRL)

1

Science & Technology Research Laboratories (STRL)Japan Broadcasting Corp.

Science & Technology Research Laboratories (STRL)Japan Broadcasting Corp.

Japan's sole public broadcaster Japan s sole public broadcaster

• Financed by the viewers’ receiving fees

STRL innovating satellite broadcasts HDTV and more STRL innovating satellite broadcasts, HDTV, and more

Evolution of NHK’s Broadcast MediaEvolution of NHK’s Broadcast Media

20168K Super Hi-visonity

NextGeneration 8K Super Hi-vison

2013HybridcastQ

uali Generation

Hybridcast

2000Data Broadcastinge

r Q

gg

Hig

h 2000HDTV Digital

1960

1985Teletext

H

( )1960

SDTV(color)

1953

AnalogMore Functions

( )SDTV(B&W)More Functions

TokyoNHK’s Roadmap of 8KNHK’s Roadmap of 8K Tokyo OlympicsWorld Cup

Russia

pp

Rio Olympics

Russia

y p

20202020World Cup

BrazilBroadcastingBroadcasting

20162016

20182018

ExperimentsExperiments

Test broadcastingTest broadcasting

2015201520162016

Public viewingPublic viewing

ExperimentsExperiments(by using a broadcast satellite)(by using a broadcast satellite)

20142014

20152015

Public viewingPublic viewing20142014

How to deliver 8K broadcastsHow to deliver 8K broadcastsHow to deliver 8K broadcastswith 100Mbps

How to deliver 8K broadcastswith 100Mbpspp

• SatelliteT t i l

• SatelliteT t i l• Terrestrial

• Cable• Terrestrial• CableCableCable

8K Satellite Broadcasting in 20168K Satellite Broadcasting in 201612-GHz band

broadcasting satellite

Transmission of one 8K SHV program by a single satellite transponder

16 APSK etc

broadcasting satellite y g p

Occupied bandwidth:34.5MHz

16 APSK, etc.

12-GHz band17-GHz band

Compliant with ARIB standard, “Transmission System for Advanced Wide Band Digital Satellite Broadcasting”

34.5MHz

Modulator Demodulator

EncoderDecoder

Under72Gbps (60Hz)⇒80〜100Mbps72Gbps (60Hz)⇒80〜100Mbps Under

developmentCompliant

with HEVC/H.265

⇒80 100Mbps⇒80 100Mbps

StandardizationStandardizationStandardizationStandardizationInternational studio standards

Rec. ITU-R BT.2020 for UHDTV (4K & 8K) parameters

– Pixel count, Frame frequency, Colorimetry, Bit depth, etc.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 Transmission system for advanced wide band digital satellite broadcasting

– 16APSK etc.

Video & audio coding, and multiplexing specifications for digital broadcastingg, p g p g g

– ITU-T H.265, MPEG-4 AAC, MMT+TLV, HTML5, AES, etc.

BroadcastBroadcastSuitable for high quality, reliable and multi-destination deliverySuitable for high quality, reliable and multi-destination deliverydestination deliveryEfficient to deliver the same contentdestination deliveryEfficient to deliver the same contentin real-time without congestionin real-time without congestion

BroadbandBroadbandSuitable for delivery of large amounts of information to individual recipientSuitable for delivery of large amounts of information to individual recipientinformation to individual recipientinformation to individual recipient

HybridcastHybridcast

8K Super Hi-Visionith H b id t T h l i

8K Super Hi-Visionith H b id t T h l iwith Hybridcast Technologieswith Hybridcast Technologies

B d t idB d t idB d t idB d t idBroadcast videoBroadcast videoBroadcast videoBroadcast videoData from Data from broadbandbroadbandData from Data from broadbandbroadband

Video from broadbandVideo from broadbandVideo from broadbandVideo from broadbandSNSSNSSNSSNSSNSSNSSNSSNS

8K CamerasCompact and light-weight

8K Cameras

2002 80 kg 2004 40 kg 2010 20 kg 2012 5 kg 2013 2 kgg g g g

Toward “full-specification” and special use

gDual Green 24Gbps

Toward full specification and special use

2010 2012 20132010Full-resolution

72Gbps

2012Full-resolution+120Hz

144Gbps

2013High sensitivity and low

noise for theater use

Production equipmentProduction equipment

OB vanVideo switcher Slow-motion Up converter to 8K 22.2-ch

microphonep

Editing room

HEVC encoder Uncompressed transmitter

for fiber optics

Uncompressed transmitter

for 120 GHz band

Recorder

p

22.2-ch audio dubbing studio

8K Displays developed at NHK STRL

85-inch LCDin cooperation with Sharp

145-inch Plasmain cooperation with Panasonicin cooperation with Sharp in cooperation with Panasonic

For introducing a larger screen into home

Flexible OLED

8K program development

Sports Entertainment

Various genresNHK/TV GLOBO

p

NatureDrama Nature

See you in Tokyo 2020.See you in Tokyo 2020.y yy y