1. T-DMB, The most successful mobile broadcasting service in the world
LIM, Young-Kwon
DMB Alliance

2. 1. Background of T-DMB

3. Rational of new service
Strong and profitable FM radio market
Slow progress of DAB deployment in Europe
Fast growth of new audio devices
Demand on mobile video services

4. Requirements & Solutions for new service
Compatibility with existing DAB infra
No changes to DAB
Additional DAB service
Stream multiplexing inside the service
Efficient codecs and transport mechanism
Advanced AV codecs
Stream mode
Strong error protection for multimedia
Reed-Solomon Codes
Convolutional interleaving
Integrated data services for new user experience
MPEG-4 OD Frameworks
MPEG-4 SL
MPEG-4 BIFS

5. Requirements for data service for T-DMB
MPEG-4 System & BIFS
Interactivity
Synchronization
Graphics and animation
Hyperlink
Integration with AV

6. T-DMB architecture
Interactive menues
Additional informations

7. 2. T-DMB deployment in Korea

8. Example of T-DMB services in Korea
Broadcaster
Type of Service
Rate A TV
512
Radio
160
128
DATA
222 B
496 32 C
544
112

9. 5. Interactive DMB Business T-DMB receivers
small screen (2”)
limited resources
always on (possibly)
personal
hand-held
return channel
larger screen (5~7”)
regular access
passive
no return channel
Cellphone
48.4%
Navigation
37.8%
Others
PMP
3.8%
9.4%
Notebook
0.6%
as of June 2008
(12.4million receivers)

10. Convergence Service with BIFS
Interactive convergence service links two services
by using both broadcasting and communication capabilities on the devices

11. Traffic information service with TPEG
Real-time Traffic conditions
Dynamic Navigation

12. DMB TV DMB Radio DAB/DAB+ Conclusion Video centric service Text, Image
Apple Family
iPhone
iPhone 3G From $99
iPhone 3GS From $199
iPod shuffle From $59
iPod nano From $149
iPod classic Just $249
iPod
Conclusion
They are family of services.
Digital Radio Receiver Profile enables compatibility between services.
DMB TV
DMB Radio
DAB/DAB+
Video centric service
Text, Image
Interactive Data Service
Audio centric service
Text, Image (Slideshows)

13. http://www.dmb-alliance.org/ Questions?
Thank You!
Questions?