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IP OVER DVB-T. CONTENT. Introduction to DVB-T system of the ONT Introduction to IP over DVB Multi-Protocol Encapsulation Transport Stream Packet Exchanging Applications Web Carousel (Multicast, Unicast) High bit rate Internet Summary. INTRODUCTION TO THE DVB-T SYSTEM OF THE ONT.
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CONTENT • Introduction to DVB-T system of the ONT • Introduction to IP over DVB • Multi-Protocol Encapsulation • Transport Stream Packet Exchanging • Applications • Web Carousel (Multicast, Unicast) • High bit rate Internet • Summary
INTRODUCTION TO THE DVB-T SYSTEM OF THE ONT BOU KORNINE TRANSMITTER STATION CONTROL CENTER (CNCT) DS3 DS3 DECODER VIDEO 1 NETWORK ADAPTER VIDEO 2 VIDEO MONITOR AUDIO 1 ASI G703 SDH AUDIO 2 MAIN 1 MPEG 2 CODER OFDM MODULATOR OFDM MODULATOR IF OUTPUT VIDEO 3 IF OUTPUT Video & Audio router ASI G703 VIDEO 4 AUDIO 3 AUDIO 4 MAIN 2 MPEG 2 CODER TRANSMITTER ASI G703 BACK UP ASI G703 MPEG 2 CODER I/O-RS232 Converter I/O Box MANAGEMENT SYSTEM MANAGEMENT SYSTEM
COVERAGE AREAEXPERIMENTAL TRANSMITTER BOUKORNINE (500 WATT TRANSMITTER)
Introduction to IP over DVB-T Web Sites IP Data PC-User Streaming Media „Surfer“ IP data over DVB TV/Audio Programs User Digital TV Additional Value
Introduction to IP over DVB-T Master Program Multiplexer DATA Internet, IP Program 1 MPEG-2 Transport Stream Program n Inserter Data Generator Studio Distribution Network
IP Header IP Data IP Datagram MPE Header MPE Data Group Data Field CRC MPE Encapsulation Packet Header Packet Data Field Packet Header Packet Data Field TS Packets Multi-Protocol Encapsulation MPE • Transport of IP over Digital TV Channels • Defined in ETSI EN 301 192: “DVB specifications for data broadcasting” • Data Transport within MPEG2 TS: ISO/IEC 13818-6
IP Header IP Data IP Datagram Data Header Data Group Data Field CRC Encapsulation A V N N V N A N V Packet Header Packet Data Field Packetisation Packet Header Packet Data Field A V D D V D A D V TS Packet Exchanging
Web Carousel : Delivery of offline web content to end users Applications I Multicast Unicast Set Top Box IP Address MAC Address send data using a particular IP address: just one single receiver uses the data send data using Multicast IP addresses: a group of receivers are able to make use
Applications – IIEnhanced Text Information • Enrich your TV/Audiobouquet with data services • Use of Web technologies(graphics, animation, hypertext) • Improve the 'Teletext',EPGs • Renovate the Teletext system.
Applications – IIISupport E-Commerce • Broadcast warehouse catalogues • Distribute order and product information • Deliver computer games • Avoid Internet bottlenecks • Engage customers without direct Internet access • Have a second distribution channel to your customers.
Applications – IVSupport of distributed companies • Have a download link toremote subsidiaries • File transfer and copy • Cyclic update of databasecontent • Avoid Internet server bottlenecks • Create a company Intranet using digitalbroadcasting infrastructure.
Applications – Vcreate local scenarios • Use your DVB-T cells for local oriented applications • Deliver local content like City Guides, Restaurant Ads, Leisure Information • Establish a local emergency and traffic announcement system • Global TV/audio programs combined with local data services
Applications – VIBroadcast games and ads • Transmit computer games to kids game console in cars and trains • Send movie clips and animated ads, movie songs in addition to program guides • “Let people have a taste for more.”
Applications – VII„Broadcast your streams“ • Broadcasting of Internet audio • Reception of Internet TV stations on TV sets • Support of Internet based Business TV • Combine Internet broadcast with legacy broadcast • “Receive your favourite Internet station on TV setsand in your car.”
Applications – VIIIremote control of devices • IP access to broadcasters devices • Remote control of devices • Company communication using the program delivery infrastructure • Use the broadcast infrastructure as Local Network
Application IXHigh bit rate Internet • Real time Internet can also be inserted in MPEG 2 Transport Stream using a return channel for requests (Dial Up PSTN, LL, ADSL, etc…) YAGUI ANTENNA High bit rate (More than 512 Kbits/s) UDHTTP Proxy Server DVB-T IP Card (Set Top Box) IP Address MAC Address Inserter IP Low bit rate (56 Kbit/s) requests Return Channel Dial Up INTERNET
00:00 HIGH BIT RATE INTERNET & SERVICES OVER DVB-T UDHTTP MPEG 2 CODERS TV & RADIO PROGRAMS A/V WEB CAROUSEL DATA ETC… DVB-T IP CARD MPEG TS IP IP INSERTER DVB-T RECEIVER VIDEO MONITOR INTERNET RETURN CHANNEL (DIAL UP) Proxy