The Development of Digital TV as an Important Factor in Ensuring Access to Information in Modern

Conditions

June 2015NEC Corporation

Page 2

1) Freedom of Speech and Writing

　 Freedom of Public Comment

　 Opportunity to open an Opinion Widely

2) Country Stability

　　 　 Announcement of Government Policy

　 Equal Opportunity to get latest News

　 Disaster Warning

　 Weather Report

3) Economical Development

　 On charge Advertisement

Program Production

　 Agriculture Program

4) Education

　 Equal Opportunity by Education Program

5) Entertainment

　 　 Movie, Drama, Sports,----

1) Freedom of Speech and Writing

　 Freedom of Public Comment

　 Opportunity to open an Opinion Widely

2) Country Stability

　　 　 Announcement of Government Policy

　 Equal Opportunity to get latest News

　 Disaster Warning

　 Weather Report

3) Economical Development

　 On charge Advertisement

Program Production

　 Agriculture Program

4) Education

　 Equal Opportunity by Education Program

5) Entertainment

　 　 Movie, Drama, Sports,----

Role of Broadcasting Service for Modernization

Ｍｏｒｅ　Ｔｉｍｅ

Ｍｏｒｅ　Ｉｎｆｏｒｍａｔｉｏｎ

Ｍｏｒｅ　Ａｒｅａ

Digital Broadcasting

Page 3

1) Higher Quality Service of Video & Audio

　　 Former SDTV to High Quality SDTV or HDTV

2) More Channel

　　 SDTV 1ch in analog to SDTV 3ch or More in Digital

　　（ Terrestrial 　 Digital 　 Broadcasting)

3) New services

　　 Multimedia, Interactive, Web-like services

4) Possibility of Scramble （ Charged Broadcasting) 　

5) Mobile Reception

Cars, Trains, Buses and also hand-held terminals

1) Higher Quality Service of Video & Audio

　　 Former SDTV to High Quality SDTV or HDTV

2) More Channel

　　 SDTV 1ch in analog to SDTV 3ch or More in Digital

　　（ Terrestrial 　 Digital 　 Broadcasting)

3) New services

　　 Multimedia, Interactive, Web-like services

4) Possibility of Scramble （ Charged Broadcasting) 　

5) Mobile Reception

Cars, Trains, Buses and also hand-held terminals

Digital TV World Tendency (1) 　

Page 4

6) Equal quality in whole service area

7) 　 Introduction of New Signal Distribution Network

　　 Optical Fiber, Earth Satellite, Digital Microwave

8) Efficient use of frequency →Saving Frequency 　

(Compression and SFN )

6) Equal quality in whole service area

7) 　 Introduction of New Signal Distribution Network

　　 Optical Fiber, Earth Satellite, Digital Microwave

8) Efficient use of frequency →Saving Frequency 　

(Compression and SFN )

Digital TV World Tendency (2) 　

Single Frequency Network Multi Frequency Network

© NEC Corporation 2006Ｐ age 5

NETWORKFIBRE , B-ISDN

CATV

SNGMobil

Satellite

Terrestrial

CATVInformation Provider

Production OPTICAL

NETWORK

VideoServer

HomeBroadcast Services Multi-channel HDTV Multimedia

Service Provider

Home server

Stadium, Theater, etc

Contents Provider

Stock, Exchange Weather

Image of Terrestrial Digital Broadcasting

© NEC Corporation 2006Ｐ age 6

USER CONTENTS PROVIDER

CONTENTS PROVIDER

Service Provider

Service Server

USER BOTH WAY

IF

BROADCAST MEDIA

BOTH DIRECTIONAL

SERVER

NETWORK

CUSTOMER CONTROLSYSTEM

TERMINAL

NOT ONLY TV BROADCASTING BUT ALSO TRANSMITTING AND RECEIVING TO MANY TERMINALS

MEDIA

Service Menu* Both Way MM Program* Education, News* Traffic Information* Game, Shopping* Navigation* Information Service

New Service of Terrestrial Digital Broadcasting

© NEC Corporation 20127

　 Storage Type Service　 Storage Type Service

Live Concerts

Live News

Sports game

Movie/Drama

NewspapersAudio file

Novels

E-Magazine

High-quality Real Time ServiceHigh-quality Real Time Service

Enjoy live programs such as sports, news, and music.

Enjoy live programs such as sports, news, and music.

Various typesof contentsVarious typesof contents

- Watching live videos just like conventional mobile television

- Offering higher quality video programs

- Storing contents to mobile handsets automatically.

- Enjoying favorite contents at their own convenience (downloading files).

Store contents to your mobile handsets.Store contents to your mobile handsets.

Can be used anytimeAnywhere.

Can be used anytimeAnywhere.

New national-wide multimedia broadcasting service for mobile phones by using re-assigned frequency after analog TV broadcasting termination

Mobile Multimedia Broadcast 1 (Case in Japan)

© NEC Corporation 20128

Mobile Multimedia Broadcast 2 (Case in Japan)

Source: http://www.nottv.jp/program/

DVB-T2 / T Worldwide

Page 9

☑ Share of DVB Broadcasting Receivers is 62% and the number is more than 1 billion sets in the world.

☑ DVB-T/T2 has been adopted by 133 countries and 　 implemented by 66 countries.

© NEC Corporation 2014

Time

ＭＰＥＧ - ２

Contribution

Distribution

×2

×2

compressibility

VC-5800

VC-7300VC-5300

VC-5100

2003 20122000

H.264VC-7100

・ For 4K ・ Application to Super High Definition TV・ More high compressibility・ More high quality video contribution/ distribution

H.265(H

EVC)

eX-700

2007 2014

VC/VD-7710

H.265 Codec

Page 10

Digital TV Important Role for Life in Future (1) More Information! 　

Effective Bit Rate, General (Output of Encoder)bps

21.0M

32.5M MPEG-4(H.264)Broadcast TS

Max bit rate for One Freq. Channel in Japan (ISDB-T)

4.0M HD One Program by HEVC(H.265)

8.0M HD One Program by MPEG-4(H.264)

16.0M HD One program by MPEG-2(H.262) (Japan)

2.5M SD One Program by MPEG-4(H.264)

85.0M 8K Broadcasting

35.0M 4K Broadcasting (H.265=HEVC)

MPEG-2 = H.262MPEG-4 = H.264HEVC = H.265

ITU-TISO/IEC

Covered by DVB-T2

Digital TV Important Role for Life in Future (2) More Information!

Resolution of TV Monitor

- PAL Analog TV - HDTV （ 2K ） - 4 Ｋ TV - 8 Ｋ TV

• ２Ｋ , ４Ｋ , ８Ｋ　 are named by its horizontal resolution

： Resolution 　　　７６８ ｘ 　　５７６ pixel： Resolution 　１，９２０ ｘ １，０８０ pixel： resolution 　３，８４０ ｘ ２，１６０ pixel： Resolution 　７，６８０ ｘ ４，３２０ pixel

Comparison of Monitor Size

NTSC

PAL HDTV (4K)

Digital TV Important Role for Life in Future (3) More Information!

10 Times!

Page 13

Switchover of existing nationwide analogue TV transmitter to digital TV 　　

　 transmitter (DVB-T2) by the year 2017. 1st Stage(2015 ～ 2016): Deployment of 84 sets of High/Middle

Power TXs for 57 sites2nd Stage(2016 ～ 2017): Deployment of 400 sets of Low Power

TXs

Digital Television Network Expansion Project

Planed Sites for 1st Stage

NEC brings together and integrates technology and expertise to create

the ICT-enabled society of tomorrow.

We collaborate closely with partners and customers around the world,

orchestrating each project to ensure all its parts are fine-tuned to local needs.

Every day, our innovative solutions for society contribute to

greater safety, security, efficiency and equality, and enable people to live brighter lives.