10. • المختلفة الوسائط على البث تطور
10
TV on Cable and
Satellite,
MUSE analog HD
1960 1970 1980 1990 2000
DABTV
• DTT/ HDTV
• IPTV
• Mobile TV
(T-DMB,DVB-T1,T2, DVB-H,
MediaFLO, One Seg)
11. • الرباعي الدندماج : TV/ IT/ Telecom/ Wireless
11
القريب بالمس
اليوم
غدا DVB-H, CMMB, IPTV-HD on VDSL2,
4G-OWA ?
SD-TV, Broadband Internet, 2.5G, WiFi
* Mature Digital TV and IP Technologies:
Multi-platforms (horizontal) and multi-
qualities (vertical) for the viewers.
الجدي العصر في العلم منتجوا يواجهه الذي التحدي
راس قيمة استرجاع سرعة اقصى
والرباح المال
العلم في المستثمر
المشروع قيمة)/+ التوفيرات
الرقمي العصر
الجديد
DTT/ HDTV, IPTV-SD, 3G, S/T-DMB,
WiMax
12.
13. • ATSC: The Advanced Television Systems Committee, Inc., is an
international, non-profit organization developing voluntary standards for
• digital television.الشمالية امريكا في – للتلفزيون المتقدمة الظنظمة لجنة
• DVB-*: Digital video Broadcasting T1 , T2 , H الرقمي البث
وافريقيا الوسط والشرث اوروبا -المحمول – الرضي الفيديوي
• SBDTV- ((Sistema Brasileiro de TV Digital) الرقمي الرضي البرازيلي البث ظنظام
• 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 : الرقمي الاذاعي البث
36. • 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.
• Multimedia services to
masses and
communities
• Save 3G capacity for
groups watching the
same content
• Mobile TV content to
communities
• User-controlled
personalized channels
and interactivity
• “long tail” TV and video
Unicast, 3G, LTE
Mobile Network
MBMS, 3G, LTE
Mobile Network
• Mobile TV content to
masses
• > 20 channels nationwide
• interactivity via cellular
• IP broadcast for filecasting
Mobile Network
Broadcast Network
Broadcast, DVB-H
40. 40
• 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.
41. 41
• TV - DTT / HDTV
Economie
s
Technical Progress
China
(Mainland)
DMB-T/ H 5 HDTV program channels in service.
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.
Chart 1: World-wide, DTT/ HDTV Transmission
42. 42
• TV - DTT / HDTV
Econo
mies
Technical Progress
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.
Chart 1: World-wide, DTT/ HDTV Transmission (Cont.)
43. 43
• TV – IPTV بي الي تلفزيون
(Internet Protocol TV) تلفزيون
المستخدم بتعريف المرتبط النترنت
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).
44. 44
• المتحرك التلفزيون 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.