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It was a professional presentation for niksun, but most of the project related content and designs are removed. Only basics and some feature of IPTV is uploaded in these slides.
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IPTV-Internet Protocol Television
-Presentation by Ritul Sonania Niksun, 5th Sep 2009
Slide 2
What is IPTV?
It is a technology that delivers video or TV broadcasts over the IP packet.
IPTV can be viewed on your conventional TV using a set top box (STB). STB can be connected to internetwork using ADSL2+, OFC etc. The STB converts the digital signals to AV format or it can provide HDMI interface.
Slide 3
What is Internet TV?
Internet TV, in simple terms, is video and audio delivered over an Internet connection.
You can watch Internet TV on a computer screen, a television screen (through a set-top box) or a mobile device like a cell phone.
The difference –– IPTV is considered to exist in a closed network. It has a limited
scope of users.
– Internet TV is accessible everywhere, but requires a subscription.
WHY IS IT REVOLUTIONARY?WHY IS IT REVOLUTIONARY?
Slide 4
True interactive television, using EPG. Program schedule, Information Customized favorites Customized home screen Video Trailers EBIF, Tru2way (formerly OCAP)
See anything you want to see, any time, also possible on a mobile device. (content delivered through 3gp/MP4 conversion)
Reduced infrastructure costs, works with existing connection.
Infinite number of channels.
Even works with wireless connections.
100% digital transmission
WHY IS IT REVOLUTIONARY?WHY IS IT REVOLUTIONARY?
Slide 5
Up to 1080p format, High definition DVD quality.
Embedded 7.1 channel DTS AC3 audio, multiple audio languages, multiple language subtitles.
Live TV Pause, resume and record is possible.
Video on Demand, Radio on Demand, Movies on Demand. (Content stored on servers)
On demand advertising
Interactive applications – Satellite maps Online shopping, ticket booking etc.
Slide 6
IPTV Transmission TypesIPTV Transmission Types
Live broadcasts -
Live TV content is delivered to the user. Pause and resume will be available for a fixed window time decided by the provider. The content is sent to multiple users at a time.
On-demand videos-
Arranged like a playlist. Episodes or clips are arranged by title or channel or in categories like news, sports or music videos. You choose exactly what you want to watch, when you want.
Slide 7
StreamingStreaming
It is a way to directly get and view the data from the remote machine without fully downloading it.
In the IPTV environment, the on demand content is delivered via streaming.
Streaming can be done using HTTP, RTSP (Real Time Streaming Protocol).– Either TCP or UDP can be used, normally its TCP.
– RTP can be used for multimedia delivery.
Slide 8
Standards used in IPTV
Media delivery– IP, UDP, RTP, TCP, etc.
Control/Signaling – RTSP, RTCP, IGMP(v2,v3), SDP
Codecs for video delivery – MPEG2, MPEG4/H.264, MPEG2-TS, FLV, AVI, RM, WMV, ASF, MOV
Network Speed –– Can be a minimum of 1 Mbps to maximum of 40 Mbps
Slide 9
Network Architecture
Slide 10
Video on Demand -
•RTSP is like a network remote control for multimedia servers
•RTSP establishes and controls streams of continuous media
•Streaming data is carried out of band (interleaving is possible)
Slide 11
Working of RTSP
Slide 12
RTSP Methods
Method DESCRIBE
ANNOUNCE
GET_PARAMETER
OPTIONS
PAUSE
PLAY
RECORD
REDIRECT
SETUP
SET_ PARAMETER
TEARDOWN
DescriptionRetrieves the description of a presentation
Posts the description of a presentation
Retrieves the value of a parameter
Queries the available methods
Streams delivery is halted temporarily
Starts sending data
Starts receiving data
Informs to connect another server location
Specifies the transport mechanism
Requests to set the value of a parameter
Stops the stream delivery and frees the resources
Thank You!!
Original template and most of the slides are removed as those were
confidential.
