Download - Future Networks IP Broadcast
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S.Geetha, SDE, RGM TTC , Chennai
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What is Video Over IP?
A term that describes a method of
transmitting video, audio and datasignals as packetized data over
an IP network.
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Snippet
Microsoft Corp. unveiled on 17 Jun 2007, thename for its Internet-based television platform
MediaRoom
http://www.microsoftmediaroom.com/#
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BSNL launches IPTV in Pune and subsequentlyextended to the whole nation .
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The Vision For TV
Empowered
Consumers
Profitable
Operators
http://en.wikipedia.org/wiki/Internet_Protocol -
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What are the benefits of VideoOver IP,over normal cable/ DishTV?
1. See anytime you want to see
2. Broad cast channel(IPTV)/live events/Vo3. Video Conferencing
4. Personalize advertisement and greetings
5. DVD quality picture and sound
6. On line training and video class
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7. Settings for record
8. Alert message for favorites programme-
SMS alert Uses only access networks.9. Watched on TV set with set-top-box or on
computer screen.
10. Interactive
11. Can be integrated with other services likeVoice over IP, Personal Video Recorder
What are the benefits of IPTV
over normal cable/ Dish TV?
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12. Digital video quality. With higherbandwidth networks can be HDTV
13. Fastforward, Rewind facility
14. Chat , Messenger can be integrated
15. PIP
16. Photo and Video sharing
What are the benefits of IPTV
over normal cable/ Dish TV?
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Types of Video Over IP Services
VOD(Video On Demand)IPTV(Broadcast TV)
Live Video Broadcast
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VOD(Video On Demand)
http://video.aol.com/
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BSNL IPTV Broadcast
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http://wwitv.com/portal.htm?http://wwitv.com/television/inde
x.html?http://wwitv.com/tv_channels/b4200.htm
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4 phases
Encode
and
StreamRaw
Content
STB and
TV toreceive
VideoContent in
ContentServer
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4 phases
Encode
and
StreamRaw
Content
STB and
TV toreceive
Encode toplayback
format
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What is encoder?
Not all Video Formats are same
Mpeg1 Mpeg2
Mpeg4
RealMedia Quick time
WindowsMedia
We have to
convert to play
back format like
DVD,HDTV,VCD
etc
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4 phases
Encode
and
StreamRaw
Content
STB and
TV toreceive
StreamingTechnology
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And a new technology called
Streaming
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What is Streaming?
streamstream
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Streaming Software
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Streaming has advantages such as:
1. The ability to handle much larger trafficloads.
2. The ability to detect users' connectionspeeds and supply appropriate filesautomatically.
3. The ability to broadcast live events.
4. Streaming alleviates the need to downloadan entire media clip as a5. Allows playing to start before download is
completed
6. Protects copyright
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How Streaming Media Works
Internet,Intranet,
WAN
Live Content
WindowsMedia
Encoder
WindowsStreaming
Server
Windows NT or
UNIX Web Server
WindowsMedia
Players
Stored VideoFiles (AVI)
Stored .ASFFiles
Tip: PowerPoint 2000 can send an online broadcast directly to a Media Server
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Streamed output can be linked like
this
Unicast Streaming
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N ClientsServer Network
N Streamsacross the
network
Content
Unicast Streaming
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N ClientsServer Network
One copyacross the
network
Content
IP Multicast Streaming
RendezousPoint
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VOD-----Unicast
IPTV ------Mulitcast
Live Video-----Multicast
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4 phases
Encode
and
StreamRaw
Content
STB and
TV toreceive
MultiplayNetwork by
BSNL
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Video over IP Architecture
Multiplay Network