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الاندماج الرقمي وتاثيره على الاعلام
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الاندماج الرقمي وتاثيره على الاعلام

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تاثير الاندماج الرقمي على الاعلام

تاثير الاندماج الرقمي على الاعلام

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    الاندماج الرقمي وتاثيره على الاعلام  الاندماج الرقمي وتاثيره على الاعلام Presentation Transcript

    • - -Mamoun Matar
    • DVB , S,T,H HD Interactive TV VODInternet TV IPTV DVB-H Mobile TV
    • Location based Media – Mobile Media
    • DVB HSDPA ,,TRIPLAY – QUADRO 3G 4G & DLNA
    • – . Video on demand VODIPTV Internet TV
    • Digital Media New Media Convergence
    • • Online ,. Media Customization Mass Media . . One-Way Interactive Media. Offline , • Tow -Way .
    • DVBDVB-T1,T2,HATSCISDB+SBDTV,DMBT-HDAB
    • • • – –LW – MW- SW – FM – VHF - UHF- C-band – Ku-band – Ka-band • • • • - • - • - • - • Multimedia Networks - • •
    • • • DTT/ HDTV • IPTV TV on Cable and • Mobile TV Satellite, (T-DMB,DVB-T1,T2, DVB-H, MUSE analog HD MediaFLO, One Seg) TV DAB1960 1970 1980 1990 2000 10
    • • : 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
    • DVB-T1,T2, ATSC ,ISDB+SBDTV,DMBT-H
    • • 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 Peoples 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 :
    • 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). • – • – - - •
    • DVB-T – ITU VHF UHF DVB UHF VHF DVB-T 7/8MHz – – - -
    • DVB-T DVB MPEG-2 DVB-T MPEG-4 7/8 MHz - High Definition HD DVB-T DVB-H MOBILE TV
    • •– – • – • – – • • • –
    • • •–– • •
    • - : SFN • • • - • • • – – • – •
    • - - : MFN • • • – • • HDV •
    • :DVB-h • dvb dvb-h(hand held receivers ) •
    • - •UHF – • • – • – • http://en.dtvstatus.net/ •
    • IPTV -ITV – - –
    • • .• -•••••• MFN• SFN -
    • - • – • UHF VHF • VHF UHF FM • – • • • – •
    • ••••
    • •••••
    • • • • •– – • –
    • – • •– – • – •
    • –• : pocket TV, portable TV, and car TV• : PND, ipod /ipad/hp-slate•• –
    • – –– WEB Call SMS Application Video On Demand Interactivity & transactions Electronic Service Guide TV/Video- VOD Radio/Audio Internet and File casting-
    • –• – – – : – , , – : – – – : –
    • – – –• - – DVB-T DVB-H – 3G/4G cellular network – – Satellite
    • 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
    • 2. Technologies Media Technologies WirelessRadio, Services,DDD MMM TV, TTT 37
    • 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
    • - TV 2.• TV - DTT ) ( (SDTV) and/ or - (HDTV) and - sound (surround) – 39
    • 2. - TV• TV - HDTV ( ) 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
    • 2. - 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
    • 2. - 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
    • 2. Technologies - TV• TV - IPTV (Internet Protocol TV)(IPTV) 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
    • 2. – 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
    • (1(2(3(4(5(6(7
    • •••••
    • ••••
    • •••••
    • Traditional New Media media We Media
    • Cell phone(Mobile)
    • 24x7
    • Convergence Journalistic Convergence integrated production multiskilled professionals Content convergence multiplatform delivery active audience
    •  Online Editions (Shovleware Newspapers Online 
    • 
    • Backpack Journalista multiple media multi-tasker
    • STV Subscription TV Over theair Signals
    • PPV Pay Per View Event PPV Content Viewer’s Choice B-sky -BCalica TPS CSD
    • NVOD Near Video on Demand
    • VOD Video on Demand Digital Video ServerVCR VOD Virtual VCR
    • Internet tv • • – • • •
    • analog
    • Dvb-t and dvb-h
    • compressing
    • bandwidth
    • •••
    • • • ••
    • interactivity
    • Forester Research
    • Webcasting Webcasting narrowcastingstreaming
    • Webcasting DSL
    • one-to-many - many-to-one - many-to-many - one-to-one