I Information about
PODCAST
A podcast is a type of digital media consisting of an episodic series of audio radio, video,PDF, or epub files subscribed to and downloaded through web syndication or streamed online to a computer or
mobile device. The word is a neologism derived from "broadcast" and
"pod" from the success of the iPod, as podcasts are
often listened to on portable media players. In the context of
Apple devices, the term "Podcasts" refers to the audio and video
version of podcasts, whereas the textual version of podcasts is classified
under the app known as Newsstand.A list of
all the audio or video files currently associated with a given series is
maintained centrally on the distributor's server as a web feed, and the listener
or viewer employs special client application software, known as a pod catcher,
that can access this web feed, check it for updates, and download any new files
in the series. This process can be automated so that new files are downloaded
automatically. Files are stored locally on the user's computer or other device ready for offline use, giving simple and convenient
access to episodic content.[1][2] In this way it is contrasted to webcasting (Internet streaming).As
discussed by Richard Berry, podcasting is both a converged medium bringing
together audio, the web and portable media player, and a disruptive
technology that has caused some in the radio business to reconsider some
established practices and preconceptions about audiences, consumption,
production and distribution.[3] This idea of disruptiveness is largely
because no one person owns the technology; it is free to listen and create
content, which departs from the traditional model of 'gate-kept' media and
production tools.[3] It is very much a horizontal media
form: producers are consumers and consumers become producers and engage in
conversations with each other.[3]Video podcasts 
A video podcast on the Crab Nebula byNASAA video
podcast (sometimes shortened to vodcast) includes video clips. Web televisionseries
are often distributed as video podcasts.Since
the spread of the internet and the use of Internet broadband connection TCP,
which helps to identify different applications, a faster connection to the
internet has been created and a wide amount of communication has been created.
Video podcasts have become extremely popular online and are short clips of
video, usually part of a longer recording. Video clips are being used on
pre-established websites and more and more websites are being created solely
for the purpose of video clips and podcasts. Video podcasts are being streamed on
intranets and extranets, private and public networks, and taking communication
through the internet to whole new levels.Most
video clips are now submitted and produced by individuals and are becoming more
common.[ Video podcasts are also being used for web television,
commonly referred to as Web TV, which is a rapidly growing genre of digital
entertainment, using various forms of new media to deliver original shows or
series to an audience. Delivered originally online via broadband and mobile
networks, web television shows, or web series. Video podcasts used for web
television are typically short-form, anywhere from 2–9 minutes per episode.
Typically they are used for advertising, video blogs, amateur filming,
journalism and convergence with traditional media.Enhanced podcastsAn enhanced
podcast can display images simultaneously with audio. These can
contain chapter markers, hyperlinks, and artwork; all of which is synced to a specific
program or device. When an enhanced podcast is played within its specific
program or device, all the appropriate information should be displayed at the
same time and in the same window, making it easier to display materials.
Enhanced podcasting is considered to be a very practical way to present
information. This use of technology is becoming more prominent in schools,
universities and businesses; as it is an efficient way to present school and
university lectures, slide shows, video clips, and other presentation materials of
the like.
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