Feature of ISDB-T and
Digital TV Migration in Japan
22 May 2011in Hanoi, VietnamITU-AIBD-ABU Regional Workshop on Digital Broadcasting
Yasushi Furukawa,Director for International Relations,
Broadcasting Technology DivisionMinistry of Internal Affairs and Communications
Government of Japan
ISDB-T member countries are Expanding!!
‐ Japan December 2003 Start DTTB service‐ Brazil: June 2006 Adopt ISDB‐T
December 2007 Start DTTB service‐ Peru: April 2009 Adopt ISDB‐T
March 2010 Start DTTB service‐ Argentina: August 2009 Adopt ISDB‐T
April 2010 Start DTTB service‐ Chile: September 2009 Adopt ISDB‐T‐ Venezuela: October 2009 Adopt ISDB‐T‐ Ecuador: March 2010 Adopt ISDB‐T‐ Costa Rica: May 2010 Adopt ISDB‐T‐ Paraguay: June 2010 Adopt ISDB‐T ‐ Philippines: June 2010 Adopt ISDB‐T ‐ Bolivia: July 2010 Adopt ISDB‐T‐ Uruguay: December 2010 Adopt ISDB‐T
Countries which adopt ISDB‐T or have interested in participate in ISDB‐T International Forum.(The last meeting was held in Santiago , Chile in March, 2011)
ISDB-T family countries Including Japan, ISDB-T market has a population of over 560 million.
Since 2009, many countries made deliberate comparison in technical /economical aspects among standards have been adopting ISDB‐T!!!
Peru
Ecuador
Venezuela
Brazil
Chile
Argentina
Bolivia
Paraguay
Colombia
Uruguay
ISDB-TOther standard
Costa Rica
Philippines
ISDB-T International Forum
1
Scale Economic of ISDB‐T Receivers
0
20
40
60
80
100
120
140
160
180
200
Jan May Sep Jan May Sep Jan May Sep Jan May Sep Jan May Sep Jan May Sep
MobileFixed
(Unit: million)
2005 2006 2007 2008 2009 201099.4 millons mobile receivers were shipped92.2 millions fixed receivers were shipped
Flexible combination of HDTV/SDTV/Mobile TV Interactive TV
Emergency Warning Broadcasting System
Various Attractive capability of ISDB‐T (Japanese Standard)
Data
Data Broadcasting
One transmitter provides both fixed and mobile service
Automatic activation in emergency
Warning signals
EvacuationInstructionsEvacuationInstructions
Emergency
Emergency Warning!
Emergency
! !
2
ISDB-T receiver has largest number of shipment in the world
More than 215.8millions ISDB‐T receivers have been shipped (As of the end of February 2011)
107.8 millons mobile receivers were shipped107.9 millions fixed receivers were shipped
ISDB-T has the largest receiver market.
Market mechanism has made ISDB-T receivers affordable
3
Efficient Frequency Utilization by ISDB-T
Frequency
1 channel bandwidth
HDTV Mobile TV(One-seg)(Two programs) Multi SDTVs
Flat TV
Flexible combination of HDTV/SDTV/Mobile TV
Mobile
Phone
Mobile
Phone
CRT STB
New Bussiness
(Max HDTV x 2)
(Example)
4
MobileFixed
Only One transmitter!! Two transmitters
MobileFixed
ISDB‐T Other Standards
Infrastructure Cost Efficiency by ISDB-T
5
Select “A”or ”B”!
Get points!
Interactive services are easily realized by Digital TV on Mobile Phone
OnlineStore
ShoppingProgram
ISDB-T realizes convergence between Broadcasting and Telecommunications on Mobile Phones and people can enjoy interactive service easily.
Football game
Info of Match and
Players
Interactive Quiz
Quiz show
Digital BroadcastingISDB-T
A B
I’ll select “A”!
TV viewers
Telecommunications(Mobile network)
I’d like to buy this !
Sports Quiz Shopping
I got player info !
Mobile TV in Mobile phoneInternet / Mobile network
TV station Viewer
Broadcasting
6
New attractiveServices
New ServicesCreation
Creation of New Business and Job Opportunities
ISDB-T will bring positive cycle between people’s expectation for attractive mobile TV services and Development of industry
Development of industry
Demands for more and variable services
・ Service Integration
・ R&D
・ New services creation
7
Only changing “Analog” into
“Digital”
At least equalperformance to
DVB-T
Expanding to the mobile users
ISDB-TOther Standards
investment
(Most people have mobile phone)
(Limited people have conventional TV)
investment
Mobile
FixedFixed
Mobile People can access fundamental information such as basic medical information, job opportunity creation anytime and anywhere via mobile phone . In addition to this , mobile interactive services will bring new businesses, so that ISDB-T will contribute to 1. Poverty Prevention2. Employment Creation3. Industrial Development /
Business opportunities
=
ISDB-T expands broadcasting services
8
ISDB‐T showed best receiving rate in comparison test conducted by Chilean gov. (reception rate was 20% better!!)
ISDB-T covers wider area
Result of the comparative testsbetween 3 digital TV StandardsConducted by Chilean gov. (Ratio of “Excellent Performance”)
bett
er
ISDB-T is more cost effective than other standards because ISDB-T can cover wider service area at the same transmitting power.
9
Transmitting tower
Radio
Television
“Switch‐on signal”
Example Flow of Emergency Warning Broadcasting System (EWBS) Operation in JAPAN
EWBS
BroadcasterTSUNAMI
Information of Tsunami warning
Japan Meteorological Agency (JMA)
TSUNAMI Warning
Streaming with Tsunami Warning Streaming
TV Screenshot image(Example)
10
Policemen saved 40 lives with One‐Seg mobile TV alarm!
Two new policemen saved 40 lives from the train with the tsunami warning alarm from mobile TV(one‐seg) right after the earthquake occurred at 14:46 on March 11, 2011.They got a tsunami warning alarm from the passengers mobile phone with TV when checking if everyone is fine in the train. They quickly decided to lead the 40 passengers to the hill to avoid the disaster of tsunami. All passengers were safely evacuated from the tsunami area before the tsunami struck the train.
The cars of train derailed off the track by huge tsunami waves.(March 12, 2011)
Derailed cars of train
Shinchi Station
The hill
Route for evacuation
Shinchi Station
Passengers got on the truck here
(Summary from Yomiuri Shimbun(Japanese major national news paper), March 29, 2011)
Track of Japan railway
Town hall of Shinchi
Pacific Ocean
11
It had been passed for 2.5 years since its adoption of DVB-T without starting
2006 2007 2008 2009 2010 2011
ISDB‐TJapanese standard
Brazil
Peru
Uruguay
Adoption of ISDB‐T Begining of DTTB
Adoption of ISDB‐T Begining of DTTB
Adoption of DVB‐TAdoptionof ISDB‐TDecember 27,2010
It took only 1 year
DVB‐T ISDB‐TEU standard Japanese
standard
It took only 1.5 years
ISDB-T launches in short term in South America.
Situation of Digital Terrestrial TV Broadcastingin South American countries
ArgentinaAdoption of ISDB‐T Begining of DTTB
It took only 8 months
Now !
12
13
1990s 2000-2003 2011 -2004-20101980s1950-70s
Digital Terrestrial Television
Satellite Broadcasting
CATV
▲1953
▲1960
▲2003
▲July 24, 2011
Started black-and-white TV broadcasting
Started black-and-white TV broadcasting
Started color TV broadcastingStarted color TV broadcasting
Starts digital TVbroadcasting in three metropolitan areas (Key Stations)
Starts digital TVbroadcasting in three metropolitan areas (Key Stations)
Starts digital broadcastingnationwideRelay station will be established sequentially
Starts digital broadcastingnationwideRelay station will be established sequentially
Completion ofDigitalization !!
Termination ofanalog broadcasting
Completion ofDigitalization !!
Termination ofanalog broadcasting
▲1996
▲2000
Started CS digitalbroadcastingStarted CS digitalbroadcasting
Started BS digitalbroadcastingStarted BS digitalbroadcasting
▲2011
Completion ofDigitalizationCompletion ofDigitalization
▲1955
▲1998
StartedbroadcastingStartedbroadcasting
Started digital broadcastingin some regionsStarted digital broadcastingin some regions
Digital terrestrial broadcasting can be received in all subscribed householdsDigital terrestrial broadcasting can be received in all subscribed households
▲2011
▲April, 2012(expected)
Schedule for Digitalization of Broadcasting in Japan
Multimedia Broadcasting (for mobile reception)
▲2006
Starts One-Seg service(for mobile reception)
Starts One-Seg service(for mobile reception)
Multimedia Broadcasting(for Mobile)
Digital TV Dissemination Status in Japan
Dissemination in Households
0
2
4
6
8
2003 04 05 06 07 08 09 10 11
1
3
5
7
9
10
11
Calendar year
Actual number105 million
(Jan. 2011)
0
1
2
3
4
5
2003 04 05 06 07 08 09 10 11
Calendar year
Number of Households(Unit: 10 mil)
Dissemination of ReceiversNumber of Receivers(Unit: 10 mil)
Analog TV switch off In July 2011Analog TV switch off In July 2011
Targeted lineTargeted line
50 millionHouseholds (100%)(as of Apr.2011)
Actual number47.5 million
(95%)(Dec. 2010)
100 million units(as of Jul.2011)
Digital TV Dissemination is progressing steadilyalong with the target in Japan !!
14
Various support toward Digitalization in Japan
(2) Radio measurement vehicle
(3) Call center
(1) Explanatory meeting
“Rapid radio measurement”Blue road indicates “recieve condition is good”
(publication)
DTTB support center was established nationwide by MIC for publicity and advisement of DTTB in cooperation with Local government, Constructor, Retailer, Broadcasters
16
Indication of Analog TV receivers and digital TV receiversLabels for Analog ReceiverThe labels indicate that “This receiver is not applicable to Digital Broadcasting and after analog switch off, STB is required”
Analog TV
Labels for Digital Receiver
The labels indicate that “This receiver is applicable to Terrestrial Digital Broadcasting”
17
1) Notice of temporary suspension is provided.2) Notice appears on TV
(appx. 5 times a day from July 10)
Local Completion of Digitalization for case study in Suzu City of Japan
May 29,09 Call center launched
Jan 22-24, 1048 hour suspension
At Noon on July 24, 10Completion of Analog
Switch Off
【The first step (Toward One-hour suspension)】
One hour suspension of Analog TV at 10-11 am on July 24, 2009
The notice on TV
July 24, 09 One-hour suspension
1) Evaluation of one-hour suspension2) Notice of the 48hour suspension and
completion of switch Off
【The second step (Toward 48hour suspension)】
【The third step (Toward completion of Digitalization)】
1) Evaluation of the 48 hour suspension2) Notice of the completion of Digitalization
Suzu city(10 thousand households)
Mapof
Japan
18
Notification in some programs
“Analog” Logo
From January, 2011Always letter box withnotification instrument
From July 2008 From July 5, 2010 From July 1, 2011
Notice on normal program
Analog broadcasting termination
Noon of July 24, 2011
Letter box, Notification
○ Sequentially, notification with the letterbox begins on analog program
○ NHK: From March 29, 2010
○ Commercial TVs: From April 2010
Virtual analog switch-offwith blue back screen
○ All broadcasts do virtual analog switch-off at the same time especially prime time.
Facilitation for Analog Switch Off in Japan
Regularly displayblue back screen or notice program
From July, 2011Always display day of countdown to termination of analog broadcasting
“Notice” only
July 25, 2011 ~
-- for people to facilitate preparation of analog switch off --
19
90~108MHz(1~3ch)
Analog Broadcasting andDigital Broadcasting
Digital Broadcasting
Analog Broadcasting
Analog Broadcasting
170~222MHz(4~12ch)
470~770MHz(13~62ch)
90 108 170 222 470 770
Present Allocation
Future Allocationafter completion digitization(July 25 2011)
710
Electrical communications(ex. cellular phone)
Guard Band
TelecommunicationMultimediaBroadcasting
Guard Band
Guard Band
18MHz band width
10MHzband width
40MHzband width
32.5MHzband width
14.5MHzband width
MultimediaBroadcasting
ITS
VHF【Available from 25th Jul. 2011】 UHF【Available from 25th Jul. 2012】
108 170 202.5 207.5 222
710~770MHz
715 725 730 770
170~222MHz90~108MHz
90
【Current state of frequency utilization】 Allocation for TV broadcasting - a total bandwidth of 370 MHz
Frequency Utilization After Analog TV Switch Off in Japan
20