PodCasting

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PodCasting
By Erica Kulka and Kerry Ildefonso
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(No Transcript)
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Definition

• A multimedia file that is distributed by
  subscription (paid or unpaid) over the internet
  using syndication feeds, for play back on mobile
  devices, audio players, and personal computers
• Similar to a radio
• Pod Casters - Are the host/author of a pod cast
• Direct streaming of their content as well as a
  direct download is offered

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History

• The idea emerged in early 2000
• Its technical components were available to the
  public by 2001
• It was shown on well-known websites software
  support spreads in 2003
• New Oxford American Dictionary declared it the
  word of the year in 2005
• The term to them was
• A digital recording of a radio broadcast or
  similar program, made available on the Internet
  for downloading to a personal audio player

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Mechanics

• A version of push technology is the publish or
  subscribe model of pod casting.
• That is when the information provider has the
  ability to choose which files to offer in a feed.
  The subscriber has to then choose from the files
  presented to him/her.
• It is looked at as an automatic mechanism.
• Multimedia computer files are transferred from
  a server to their client. It then, pulls down the
  XML files that contain the Internet addresses of
  those media files.

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Difference btwn. Podcast and Other Digital Audio
Format

• Podcasts have the ability to be automatically
  downloaded using software capable of reading feed
  formats such as RSS or Atom
• RSS a family of web feed formats used to publish
  frequently updated pages ie blogs or news feeds.
  Consumers of RSS content use special browsers
  called aggregators to watch for new content in
  web feeds.
• Atom Syndication Format an XML (general-purpose
  markup language that supports a wide variety of
  applications and is reasonably human-legible)
  used for web feeds

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Uses

• Some places where podcasting is used...
• In Education/ Learning
• Distribution of school lessons
• Official and unofficial audio tours of museums
• In Business
• Conference meeting alerts and updates
• Police departments
• Distribution of public safety messages
• In Politics
• Major political parties and politicians have
  various podcasts
• Religion
• Godcasting of talks and sermons

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Controversy

• There was an implication that in order to use a
  podcast, an ipod needed to be used. This however,
  was not so. Any media player would be able to
  play them.
• There has been talk about changing the name.
  Apple has no license, nor any objection to the
  term being used in a generic form.

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Podcasting Community
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Podcasting Distribution Networks

• Content Delivery Network
• common service for delivering podcasts
• MMS podcast
• Podcasting to mobile phones using MMS
• Podcasting by traditional broadcasters
• Narrowcasting
• Podcasting is a form of narrowcasting
• Peercasting
• Allows live streams to be redistributed by the
  viewers/listeners, greatly reducing bandwidth
  needs for the originating broadcaster
• VoiceCast
• Podcast delivery through a telephone call

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Audio vs. Video Podcasting
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Websites to Visit

• Benefits of Podcasting Video
• Podcasts training you to get fit!