10. •
• DTT/ HDTV
• IPTV
TV on Cable and • Mobile TV
Satellite, (T-DMB,DVB-T1,T2, DVB-H,
MUSE analog HD MediaFLO, One Seg)
TV DAB
1960 1970 1980 1990 2000
10
11. • : TV/ IT/ Telecom/ Wireless
SD-TV, Broadband Internet, 2.5G, WiFi
DTT/ HDTV, IPTV-SD, 3G, S/T-
DMB, WiMax
DVB-H, CMMB, IPTV-HD on
VDSL2, 4G-OWA ?
* Mature Digital TV and IP Technologies:
Multi-platforms (horizontal) and multi-
qualities (vertical) for the viewers.
/( ).
11
13. • ATSC: The Advanced Television Systems Committee, Inc., is an
international, non-profit organization developing voluntary standards for
• digital television. –
• DVB- : Digital video Broadcasting T1 , T2 , H
- –
• SBDTV- ((Sistema Brasileiro de TV Digital)
• ISDB-T international :Integrated Services Digital Broadcasting -
Terrestrial (ISDB-T) is the most advanced international standard on digital
terrestrial television broadcasting format
• DTMB (Digital Terrestrial Multimedia Broadcast) is the TV standard for
mobile and fixed terminals used in the People's Republic of China, Hong
Kong and Macau. Although at first this standard was called DMB-T/H (Digital
Multimedia Broadcast-Terrestrial/Handheld), the official name is DTMB.
• DAB: Digital AUDIO broadcasting :
15. DVB
• The Digital Video Broadcasting Project (DVB) is a marked-led initiative to
standardize digital broadcasting worldwide.
•
•
DVB
• –
• DVB-T – TERRESTRIAL DIGITAL VIDEO BROADCASTING
•
• (Coded Orthogonal Frequency Division Multiplexing).
• –
• – - -
•
32. –
• :
pocket TV, portable TV, and car TV
• :
PND,
ipod /ipad/hp-slate
•
• –
33. –
–
– WEB Call SMS Application Video On Demand
Interactivity & transactions
Electronic Service Guide
TV/Video- VOD
Radio/Audio
Internet and File casting-
36. IPTV-DVBH- 3G+LTE,MBMS
–
• DVB-H is an complementary delivery technology
in addition to 3G, MBMS and LTE
• The Mobile-TV and video experience can be
realized with a mix of several complementary
technologies.
Broadcast, DVB-H Unicast, 3G, LTE MBMS, 3G, LTE
Mobile Network
Broadcast Network Mobile Network Mobile Network
• Mobile TV content to • Mobile TV content to • Multimedia services to
masses communities masses and
• > 20 channels nationwide • User-controlled communities
• interactivity via cellular personalized channels • Save 3G capacity for
• IP broadcast for filecasting and interactivity groups watching the
• “long tail” TV and video same content
38. 2. Technologies - Radio
• Radio : DAB, DRM, DMB
DAB (Digital Audio Broadcasting)
A technology for multi-channel audio broadcasts.
Based on European Eureka-147 standard, developed
in mid 1990’s.
DRM (Digital Radio Mondiale)
An open-source platform for digital radio broadcasting
in AM, SW or FM bands. Fits within existing AM
channel bandwidth.
DMB (or T-DMB, Digital Multimedia Broadcasting)
A digital system for sending data, radio and TV to
mobile devices such as mobile phones. Developed by
S. Korea (T-DMB, S-DMB). DAB-compatible.
38
39. 2. Technologies - TV
• TV - DTT
(Digital Terrestrial TV)
Using digital technology to provide
- more channels (SDTV) and/ or
- better picture (HDTV) and sound
(surround)
through a TV antenna eg on top of the
roof, instead of using cable, satellite or
internet.
39
40. 2. Technologies - TV
• TV - HDTV
(High Definition TV)
16 x 9 aspect ratio.
Studio Standard: 1080/50i in 50Hz countries
(HK/China). 720/50p is also used in
Europe, Australia.
Transmission standard: country-dependent.
Picture information about 5 times that of
conventional TV
Needs critical camera focusing and attention to the
wide aspect ratio. OB can use fewer cameras.
Compatibility with 4x3 SDTV: some down-convert
to 14x9 or 13x9.
40
41. 2. Technologies - TV
• TV - DTT / HDTV
Chart 1: World-wide, DTT/ HDTV Transmission
Economie Technical Progress
s
China DMB-T/ H 5 HDTV program channels in service.
(Mainland) Analog off : later than 2015.
Europe Satellite, mainly 24 HD channels in service eg Euro1080
HDTV. Germany: Pay-HD. See also UK.
USA ATSC >17M DTV sets sold. Most TVs have
ATSC tuners. >1,525 stations, 211 cities.
Analog-off :
Canada ATSC >1.2M sets. >21 HD channels.
S. Korea ATSC DTT sets >3M sets, about 2/3 are HD
ready.
41
42. 2. Technologies - TV
• TV - DTT / HDTV
Chart 1: World-wide, DTT/ HDTV Transmission (Cont.)
Econo Technical Progress
mies
UK DVB-T, 8 MHz >10 M DTT Rx’s, >1.4M sets are HD-
ready.
BBC to introduce HD in 2007.
Australia DVB-T, 7 MHz Jan. 2001, DTT commenced.
>2 M DTT units. Free-to-air HD
broadcasts.
Analog off by 2012.
Japan ISDB-T DTT >12 M sets, about 7M are HD ready.
HD started in 12/2003. Analog off by
July 24, 2011.
42
43. 2. Technologies - TV
• TV - IPTV
(Internet Protocol TV)
Use of Internet Protocol (IP) for home TV transmission, can be
over phone lines, via optical fibre trunks.
Flexibility of including interactive services and HDTV. Offers many
TV channels, viewer-targeting.
For HDTV, application of MPEG4 AVC (H.264)/ VC-1 (WMV)
coding, VDSL2/ ADSL2+ technologies or Fibre to the Home/
Building (FTTH/ FTTB).
43
44. 2. Technologies - Mobile TV
• Mobile TV
Broadcast to hand-sets (mobile phones, PDAs), notebook
PCs, etc. Interactive and audio services.
T-DMB (Terrestrial-DMB)
Evolved from DAB. Allows video, audio and data to be
transmitted to mobile devices. More efficient audio coding.
Backward compatible with DAB audio (MUSICAM).
DVB-H (Digital Video Broadcasting – Handheld)
Tailored for transmitting multiple TV channels to mobile devices.
Time-slicing technology conserves battery power of mobile devices.
44
