Podcasting Technology: What is it?

Podcasting Technology: What is it?

Podcasting: Everyone is talking about it. But what exactly is it- and how does it work? Simply defined- podcasting is the dissemination of syndicated files- either audio or video in content- over Contd...

Podcasting: Everyone is talking about it. But what exactly is it- and how does it work? Simply defined- podcasting is the dissemination of syndicated files- either audio or video in content- over the Web for use on handheld audio/video equipment and computers. The term itself is a combination of two words- "iPod" and "broadcasting." The word refers to both the file that/' s downloaded and the technology to transfer it. Keep in mind that an iPod is not necessary for accessing podcasts. A podcast is also known as an audio subscription service. Listeners can subscribe to and download as many podcasts as they want. As a new method of downloading and transferring information- podcasting is revolutionizing the way we communicate. Podcasts differ from streaming video and audio. Podcasts are usually a continuous series of programs- with many episodes featured in serial format. Podcast subscribers can listen to the content on MP3 players or computers whenever they want. Unlike streaming video- no Internet connection is necessary to review the content of a podcast. But- due to their nature as stored files- podcasts can never be experienced live- in real time - again- unlike streaming video.

Podcasters- or people who create podcasts- have Web sites where their content is available for downloading. Can any old Joe start his own podcast? For better or worse- the answer is yes. All a would-be podcaster has to do is put his files on a web server that’s accessible to the public. The file should have an internet address (URI). Podcast files can be any kind of files- from a PDF to a text file. The files can contain audio or video content. The would-be podcaster begins to create a series of files- creating a feed or list of URIs- so the entries in the series can be easily found and downloaded. Each entry is usually accompanied by a date- a title and some kind of content overview. The podcaster links the file to an identifiable place on the web server. This place is usually permanent- and it’s called the feed URI.
The popularity of these informational feeds has grown astronomically since 2004- when podcasting first became popular among bloggers and software developers. Podcasts cover all sorts of subjects- from technology to politics- to art and literature. Apple made podcasting part of its iTunes package in 2005- and last year- Sony Entertainment released a statement saying that its Play station Portable would be compatible with podcasts.
Now- podcasting has become a part of conventional media. The technology is being used by news stations and newspapers around the world- including The New York Times- The San Francisco Chronicle- the BBC- ABC in Australia- and Sirius satellite radio. The popularity of podcasting is expected to continue to grow- as print media becomes a less vital part of day-to-day communication. Check out New Technology TV for more information.

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