Audiovisual Services on Internet
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1 Audiovisual Services on Internet
2 Audiovisual on Internet Services A/V on IP Focus on IPTV Services characteristics page 3
3 Audiovisual on Internet Services A/V on IP Focus on IPTV Services characteristics page 5
4 Audiovisual on Internet 32.4 billion online videos viewed in the month of January page 7
5 Audiovisual on Internet Saturation of British Network due to BBC video online 70% of internet Traffic (France 2010) Even with Local server for VOD Multicast for Live Video But Evolution of social networks, personal video (dailymotion,youtube, ) page 9
6 AV Services on IP NVOD VOD CATCH UP TV OTT UGC page 11 IPTV HbbTV VISIO
7 IPTV Service IPTV: live catchup TV VOD SetTopbox connected on TV / Triple service (Video/Internet/Phone) page 13
8 Services OTT OTT over the Top TV on unmanaged IP network page 14
9 HbbTV HbbTV Hybrid Broadcast Broadband TV Broadcast + Broadband services page 15
10 VOD Services VOD Video Catalogue on Demand Catch Up TV : replay TV program on demand (online or downloaded) page 16
11 Services UGC Personal video Web 2.0 : Youtube Dailymotion UGC : User generated Content page 18
12 Videophony Communication conference Low delay Personal or professional services page 20
13 Visiophonie Communication / conférence Faible délai services personnels ou professionnels page 21
14 Audiovisual on Internet Services A/V on IP Focus on IPTV Services characteristics page 22
15 IPTV definition IPTV = Internet Protocol TeleVision Digital TV service delivered over a broadband network using the Internet Protocol IPTV usually refers to TV services over a Network Operator s quality controlled network. Internet TV = IPTV over the public Internet page 24
16 Actors in TV versus IPTV Media owner Media seller Aggregator channel Aggregator Ex MTV Seller as canal satellit e Who deliver As ISP Final vendor IAP? Source NDS page 26
17 Value chain DVB Workshop on IPTV, February 2, Franc Kozamernik - EBU
18 IPTV in the world page 29 Source wikipedia 2010
19 DVB CM-IPTV IETF (Internet Engineering Task Force) UIT working group on IPTV, standard for network distribution architecture and access network. Reference in IPTV GSI Global Standards Initiative ISMA (Internet Streaming Media Alliance) IPTV ATIS via Forum ATIS work on interoperabilité IPTV (ATIS-IIF), standardize overall architecture IPTV, (3GPP US partner) OIPF Open IPTV Forum ETSI via NGN initiative, network standard for IPTV ; Tispan next generation network using IMS (including 3GPP) Standrd DVB-IPTV (ex DVB-IPI) IPTV sur MPEG TS 3GPP Mobile Broaband Standart OMA Open Mobile Alliance DLNA Digital Living Network Alliance W3C HTML5 P age 31 IPTV Standardization
20 Audiovisual on Internet Services A/V on IP Focus on IPTV Services characteristics page 46
21 Some Services characteristics Live / On demand Class : Visio / VOD / IPTV Interactivity : Navigation, fast forward Adaptability : Bitrate adaptation Robustness : Error resilience, Robustness Quality : Delay, Jitter resilience Protection Signature, right DRM page 48
22 Services parameters Live / On demand Different market TV VOD Different services TV VISIO NVOD versus VOD CATCH-UP Different techniques Streaming versus Downloading Different network architecture Point to point and CDN for VOD versus multicast for Live page 50
23 Scenario and Content One audiovisual program, movie or file selection of program at server side A multiplex of program selection of program at client side Personalized / Socialized Network page 52
24 Scenarios adapted Quality How adapting Stream Quality to reception? Multiple quality stream Temporal segmentation multi level (like Move Network or Microsoft and Akamaï ) Scalable coding (spatial, temporal, quality) page 54
25 Adaptative Streaming Requirement Adapt to reduction of bandwidth dynamically Adapt to increase of bandwidth dynamically Rate adaptation must be done without desynchronising video Rate adaptation must be done without desynchronising audio Rate adaptation must be done without desynchronising teletex / subtitle page 56
26 Some Services technical parameters A/V Multiplexing and Synchronization Mode (system layer) Coding Technique (compression) Transport Protocols : RTP HTTP Distribution : Unicast / Multicast page 58
27 Audiovisual on Internet Classical IP or Controlled IP page 60
28 Audiovisual on Internet Classical IP Accessible from everywhere in the world Low cost Large potential viewer base Quality depending on bandwidth Suitable for viewing on smaller displays No guarantee on QoS Difficult to maintain subscription service page 62
29 Audiovisual on Internet Controlled IP High initial network infrastructure cost, operating cost in bill management, maintenance, etc. Fixed mobile networks Picture quality for conventional TV Smaller display for mobile reception Guaranteed QoS, network reliability, network security, etc Facilitated access control subscription page 64
30 References Isma no longer active? Open IPTV Forum DSL Forum ETSI TISPAN IETF DVB H SH IPI News 66
31 References Livres Next Generation IPTV Services and Technologies, Gerard O Driscoll, Wiley, ISBN IPTV Security Protecting High-Value Digital Content. David Ramirez. Wiley, 2008; ISBN Disponible à h t t p://deca.cuc.edu.cn /Com munity/cfs-filesystemfile.ashx / key/communityserver.components.postattachments/ /wiley.iptv.security.mar pdf Normes IPTV Focus Group Proceedings. Y IPTV functional architecture. 09/2008. Y.2012 Functional requirements and architecture of next generation networks. 04/2010 Plus généralement, voir le programme de travail de l UIT sur l IPTV workprog/wp_search.aspx?isn_sp=545&isn_sg=552 ETSI TS V1.4.1 ( ) Digital Video Broadcasting (DVB); Transport of MPEG-2 TS Based DVB Services over IP Based Networks 67
32 Références Livres Next Generation IPTV Services and Technologies, Gerard O Driscoll, Wiley, ISBN IPTV Security Protecting High-Value Digital Content. David Ramirez. Wiley, 2008; ISBN Disponible à h t t p : / / d e c a. c u c. e d u. c n / C o m m u n i t y / c f s - f i l e s y s t e m f i l e. a s h x / k e y / CommunityServer.Components.PostAttachments/ /Wiley.IPTV.Security.Mar pdf Normes IPTV Focus Group Proceedings. Y IPTV functional architecture. 09/2008. Y.2012 Functional requirements and architecture of next generation networks. 04/2010 Plus généralement, voir le programme de travail de l UIT sur l IPTV workprog/wp_search.aspx?isn_sp=545&isn_sg=552 ETSI TS V1.4.1 ( ) Digital Video Broadcasting (DVB); Transport of MPEG-2 TS Based DVB Services over IP Based Networks 69
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