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INTERNET PROTOCOL TELEVISION SEMINAR PPT
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INTERNET PROTOCOL TELEVISION SEMINAR PPT

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We live in the age of the digital packet. Documents, images, music, phone calls all get chopped up, propelled through networks, and reassembled at the other end according to Internet protocol. So why …

We live in the age of the digital packet. Documents, images, music, phone calls all get chopped up, propelled through networks, and reassembled at the other end according to Internet protocol. So why not TV? Today, IPTV (Internet Protocol Television) is creating headlines all over the world. This mass publicity is the result of numerous instances and stories depicting its humble deployments and its future. IPTV is a very useful system, through which you can receive both TV and video signals along with other multimedia services by means of your Internet connection. In nutshell, it is nothing but a broadband connection and a system to deliver various programs of television using the Internet protocol (i.e., language) over computer networks. It is important to remember that IPTV is not like any ordinary television program broadcast through the Internet, but rather it is unique in itself. Its contour is represented by a closed, proprietary TV system which is similar to the cable services present today. But, in contrast, the delivery of IPTV is made via IP-based secure channels, which result in a sharp increase in content distribution control.
It is important to remember that IPTV is not like any ordinary television program broadcast through the Internet, but rather it is unique in itself. Its contour is represented by a closed, proprietary TV system which is similar to the cable services present today. But, in contrast, the delivery of IPTV is made via IP-based secure channels, which result in a sharp increase in content distribution control.

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  • 1. Gandhi Institute of Technology and Management Bhubaneswar INTERNET PROTOCOL TELEVISION (IP-TV) Presented by: Anil Kumar Mahapatra Registration No. 0901304102Electronics and Communication Engineering
  • 2. CONTENTS INTRODUCTION EVOLUTION OF BROADCASTING TECHNOLOGY THE ORIGIN OF IP-TV TECHNOLOGY USED IN IP-TV EXTENSION OF ADSL TO IPTV IP-TV NETWORK ARCHITECTURE COMPRESSION TECHNOLGY SERVICES & USER EXPERIENCE ADVANTAGES & IMPACT OF IP-TV 2
  • 3. ABOUT TELEVISION Television (TV): Specifies the medium of communication that operates through the transmission of information to the users as pictures and sounds for their interpretation & entertainment.MODES OF TV TRANSMISSION Historic view-TV transmission from towers, distribution over a cable n/w or beamed directly from Satellite (VSAT). Modern view-TV, Telephone services & high speed internet access will be delivered over present broadband DSL Network on a single connection. 3
  • 4. TYPES OF TRANSMISSIONSMULTICASTING- A multicast stream is sent to a multicastgroup internet address. When a user selects a live channel, arequest to join the group of viewers associated with therelevant multicast address is sent from the set top box to theequipment in the local telephone exchange.UNICASTING- A video-on-demand service is unique to eachviewer & delivered as a unicast stream. It is sent to a singleinternet address in response to a request from the receiver. 4
  • 5. Evolution [of the TV]IPTV ≠ Evolution –> IPTV = Redefinition of “Broadcast” IPTV Digital, HDTV 16:9 aspect ratio NTSC Color Standard Electronic TV 4:3 aspect ratioMechanical Televisor 7:3 aspect ratio t 1884-1928 1935 1953 2000 2006 5
  • 6. THE ORIGIN OF IP-TV A TRIPLE PLAY SERVICE IP-TV CABLE TELCO ISP (VIDEO) (VOICE) (DATA) MEDIA TELECOM IT 6
  • 7. DEFINITION OF INTERNETPROTOCOL TELEVISION (IP-TV)IPTV essentially has two components:1. Internet Protocol (IP): specifies the format of packets and the addressing scheme. The protocol establishes a virtual connection between a destination and a source. IP allows you to address a package of information and drop it in the system, but there’s no direct link between you and the recipient.2. Television (TV): specifies the medium of communication that operates through the transmission of pictures and sounds. We all know TV, but here we are referring to the services that are offered for the TV, like linear and on-demand programming. 7
  • 8. TECHNOLOGY USED IN IP-TV1.BROADBAND – THE KEY ELEMENT As Per The Telecom Regulatory Authority of India (TRAI): “An always-on data connection that is able to support interactive services, and has the capability of minimum download speed of 256 kbps” Note: This definition for throughput may undergo up gradation in the future. 8
  • 9. TECHNOLOGY USED IN IP-TV2. xDSL – xDIGITAL SUBSCRIBER LINESxDSL Family Tree Symmetric DSL: Provide identical data rates upstream & downstream Asymmetric DSL: Provide relatively lower rates upstream but higher rates downstreamFour main variations of xDSL exist: ADSL-Asymmetrical Digital Sub’s Line HDSL-High bit/data rate Digital Sub’s Line SDSL- Symmetric Digital Sub’s Line VDSL-Very-high-data-rate Digital Sub’s Line 9
  • 10. DIFFERENT xDSL STANDARDS Type Max speed Max speed Downstream Upstream (Mbps) (Mbps)ADSL 8 1.0ADSL2 12 3.5ADSL2+ 24 3.5VDSL 52 12VDSL2 100 100 10
  • 11. BASIC ARCHITECTURE OF ADSL 11Image Courtesy: www.btcpl.net
  • 12. EXTENSION OF ADSL TO IP-TVLine RJ 11 ADSL Line RJ 11 ADSL Splitter Splitter RJ 11 RJ 11 MODEM RJ 11 RJ 11 MODEM RJ 11 RJ 11 RJ 45 RJ 45 RJ 45 Single User with Single User with Voice, Data and Video RJ 45 Voice and Data STB AV Port Line RJ 11 ADSL Splitter RJ 11 RJ 11 MODEM RJ 45 Switch Multi user Business Customer 12
  • 13. TRIPLE PLAY SETUP USING ADSLMODEM & SPLITTER Video ADSL Modem IPTV Set Top Box (STB) Landline ADSL Internet Splitter Voice service 13
  • 14. ADSL SPLITTER BLOCK DIAGRAM &FUNCTIONS DSL highpass LINE filter Splitter 1. Separates the 300 Hz to 3500 Hz voice lowpass channel from upstream and downstream filter channels 2. Reduces traffic congestion 3. Pass voice, dial tone, ringing and on/off hook signals TELE 4. Consists of a low pass filter (LPF) for POTS and a high pass filter (HPF) for upstream/downstream channels. 5. Passive device 14
  • 15. IP – TV NETWORK ARCHITECTURE 15Image Courtesy: www.althos.com
  • 16. COMPRESSION TECHNOLOGYUSED IN IP - TV 1. H.264 is mainly used. 2. It has 50% more compression efficiency as compared to MPEG-2. 3. Picture quality is retained at low bit rates. 4. It enables the broadcast of HD over IPTV. 16
  • 17. COMPARISION BETWEEN H.264 AND MPEG2 H.264 MPEG2Computationally Computationally lessdemanding demandingSupports HDTV Supports SDTV TransmissionTransmissionResolution of 2000,000 Resolution of 210,000 pixelspixelsBroadcast in 16:9 format Broadcast in 14:3 format 17
  • 18. Content Services in IP - TV Triple Play Broadcast type On Demand type  IPTV  Interactive VOD  Pay TV  Scheduled Play-out( n-VOD)  Hi-Fi Radio  Scheduled Capture ( n-PVR)  Electronic Programme Guide  Client side Personal Video (EPG) Recording  Multicast Streaming  Pay per View(PPV)  Live Streaming for VOD  Games on Demand  Progressive  Time Shifted TV Downloads(Video, gaming, musi  Others ( Music Download, Music c downloads) on Demand, Karaoke on Interactive type Demand, TV based internet  Interactive TV access, caller ID pop up)  Video Conferencing  Interactive Online Network Internet and Voice types Gaming  VoIP  Interactive E-Learning  Browsing on TV  Interactive E-Shopping  E-mail/SMS/MMS from TV  Tele-Medicine  Caller ID Popup 18
  • 19. User ExperienceRecommendations, Rating, Time Boxing aGuide That ActuallyGuides You! (Image Courtesy: www.microsoft.com) 19
  • 20. ADVANTAGES OF IPTV Traditional TV Distribution IPTVProprietary STB lease Cheaper STB  Proprietary systems  Scale efficiencies and merchant  Tied to single STB vendor technology components will ensure cheaper devices roadmap and better availability  Thin client will be embedded in various devices (such as XBox)Broadcast architecture 1:1 communication will enable  No 1:1 potential without monumental  Targeted custom TV services and upgrade cost commerce  Video delivery separate from data  Collection of usage data  Difficult to integrate with Web/PC content  Simplified integration of IP content and and services. services (ITV - weather, games, photos, music etc. on TV)Little or no interoperability TV integrated with broadband home devices  The IP STB is the TV’s gateway to digital music, home videos and photos 20
  • 21. IMPACT OF IP - TVBandwidth Requirements New compression technologies reduce bandwidth required.Global Development Global demand speeds innovation and drives down the cost curve.Deployment Costs New distribution architectures allow delivery of higher bandwidth at a lower cost.Growth Potential These developments create video and consumer data growth opportunities 21
  • 22. REFERENCESWEB REFERENCES: http://www.faqs.org http://www.btcpl.net/ http://en.wikipedia.org/wiki/IPTV http://www.althos.com http://www.microsoft.comBOOKS: Next Generation IPTV Services and Technologies By Gerard ODriscol Understanding IPTV By Gilbert Held 22