COMS E6125 WHIM

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COMS E6125WHIM

• Internet Television
• Joost
• Babelgum
• Preethi Narayan
• pn2156_at_columbia.edu

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Internet TV

• Audio and Video content delivered over the
  internet
• Watch on a TV, computer screen or mobile phone
• Information sent over the internet
• Main shows produced from big networks
• Programs targeted at specific audience
• Internet TV rides on existing infrastructure
  including broadband, ADSL, Wi-Fi, cable and
  satellite

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Internet TV types

• Live broadcasts
• On demand video
• Web sites compile a list of live broadcast
  channels
• Some TV networks play live streaming feeds on
  their official site
• Its like watching live tv, you cannot pause or
  play back or skip parts
• On demand videos are more like play lists
• Episodes are kept
• You get to choose whatever you want

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Structure for fee

• Free
• Pay only for the internet connection
• Banner ads
• Subscription
• Bill monthly bill
• Different prices based on the content
• Pay per view
• Podcast generally free, major networks charge

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Popular Internet TV options

• Joost a free peer to peer program which allows
  shows like comedy central , mtv
• Apple tv wirelessly transfer movies and videos
  from iTunes onto the television screen
• Microsoft Xbox Live Video Marketplace allows
  Xbox 360 users to download and rent movies

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Bandwidth and Streaming

• If bandwidth is low, traffic becomes congested
• If bandwidth increases, information travel
  happens without a hassle
• Bandwidth is important large audio and video
  data over the internet requires bandwidth
• Streaming makes it possible to watch live or on
  demand video
• No downloading on to the computer

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Streaming

• Servers hold video data
• When a video is to be watched, the right command
  is clicked likeplay or watch
• This sends a message to the server to watch the
  particular video
• Server responds by sending the necessary data
• Necessary streaming media protocols are used to
  make sure data is in good condition
• A plug in or player on the computer decodes and
  plays the video signal

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Peer to Peer Television

• Peer to peer file sharing concept used for
  internet tv
• This generally requires the download of the
  client
• Instead of a central server with videos,
  computers with the same P2P software are searched
  for the video
• Some examples are Joost and Babelgum

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Joost

• Distributed TV shows and other forms of video
  using P2P
• Based on P2PTV expected to deliver near TV
  resolution images
• PC is turned into an instant on demand TV without
  an additional set top box
• News updates, discussion forums, show
  ratings,multi-user chat sessions
• Made possible through widget overlay

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Joost
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Joost

• Explore sections to find channels, shows or video
• Browse and Search by category
• Use the controller
• Invite friends to Joost
• Watch Joost in window mode
• Create your own channel
• Share Joost with friends
• Blog while watching Joost

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Content distribution

• Here servers serve only a handful of clients
• Each in turn propagate the stream to downstream
  clients
• This moves distribution costs from channel owner
  to user
• Joost service is Ad supported, analogous to
  traditional TV

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Babelgum

• Global internet tv
• Flexibility, capability and interactivity of IPTV
  could be extended to the open internet
• Interactive software for distributing TV shows
  and other video
• P2P technology to provide free on demand tailored
  TV content
• Supported by ads

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Babelgum
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Babelgum

• Online film festivals
• Communities
• Events
• Advanced Search
• Smart Channels
• Playlists
• Channels
• Widgets

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Content Distribution

• No user generated content
• Only professional content
• Thematic channels are News, Trends, Music, Sport,
  Documentaries, Lifestyle and Animation and
  Fiction
• Users can pick and choose from the available
  content to customise and create their own
  channels
• Peer to Peer streaming allows fast distribution
  of high definition of video content

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Joost vs Babelgum

• Client Download
• Content
• Joost makes new partnerships often
• Babelgum has 9 categories with limited content
• Interface
• Joost likes bright colors
• Easier to move through content
• Babelgum has a dark and minimalistic appraoch
• Social Features and Extensibily
• Joost allows IM, blogs and rating
• Babelgum allows rating and tagging videos, but in
  a less intuitive way

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Joost vs Babelgum

• Technical Features
• Joost requires a beefier computer
• Joost in windowed mode causes stuttering with
  multiple applications open
• Joost has the issue of stability
• Babelgum has been rock solid throughout

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• Thank you