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Encyclopedia > Podcasts

Podcasting is a way of publishing sound files to the Internet, allowing users to subscribe to a feed and receive new audio files automatically. Podcasting is distinct from other types of audio content delivery because it uses the RSS protocol. This technique has enabled many producers to create self-published, syndicated radio shows. RSS, pronounced arr-ess-ess, is a web syndication protocol primarily used by news websites and weblogs. ...

Users subscribe to podcasts using "podcatching" software (also called "aggregator" software) which periodically checks for and downloads new content. It can then sync the content to the user's portable music player, hence the portmanteau of Apple's "iPod" and "broadcasting". Podcasting does not require an iPod, however; any digital audio player or computer with the appropriate software can play podcasts. A portmanteau (plural: Portmanteaux or portmanteaux) is a word that is formed by combining two words. ... Apple Computer, Inc. ... A fourth-generation iPod with earphones. ... Note: broadcasting is also the old term for hand sowing. ... A digital audio player (DAP) is a device that stores, organizes and plays digital music files. ... The tower of a personal computer (specifically a Power Mac G5). ...



Origin of podcasting

Podcasting was developed in part thanks to the work of Kevin Marks, Adam Curry's iPodder script, and Dave Winer's enclosure element that enabled the RSS protocol to deliver multimedia payloads. Bloggers including Curry and Harold Gilchrist were early adopters of the enclosure feature. This article is being considered for deletion in accordance with Wikipedias deletion policy. ... Adam Curry (born September 3, 1964) was born in the United States and is best known for his stint from 1987 to 1994 as a VJ on the premier music video channel MTV. Since the mid-1990s, he has been active on the Internet, particularly the World Wide Web, since... Dave Winer (b. ...

By 2003, a number of blogs already published audio online, and the RSS protocol was widely used for summarizing or syndicating content. Using RSS, Winer helped former NPR host Christopher Lydon attach audio files to his weblog. Lydon's full-length interviews, which focused on blogging and coverage of the 2004 U.S. presidental campaigns, helped to inspire Curry's iPodder script. Indeed, blogs would become an important factor in the popularization of podcasting. 2003 is a common year starting on Wednesday of the Gregorian calendar, and also: The International Year of Freshwater The European Disability Year Events January January 1 - Luíz Inácio Lula Da Silva becomes the 37th President of Brazil. ... NPR logo For other meanings of NPR see NPR (disambiguation) National Public Radio (NPR) is a private, not-for-profit corporation that sells programming to member radio stations; together they are a loosely organized public radio network in the United States. ... Christopher Lydon born in Boston, Massachusetts, 1940, is an American media personality and author, whose work in radio includes creating The Connection for WBUR. He is a former journalist with the New York Times, former WGBH, Boston, evening news anchor and a candidate for mayor of Boston in 1993. ...

Origin of the word

One of the first uses of the term "podcasting" was in an article in The Guardian [1]  (http://www.guardian.co.uk/online/story/0,3605,1145689,00.html) on February 12, 2004, though it didn't detail the RSS protocol or automatic synchronization. In September of that year, Dannie Gregoire used the term to describe the automatic download and synchronization idea that Adam Curry had developed. Gregoire had also registered multiple domain names associated with podcasting. That usage was discovered and reported on by Curry and Dave Slusher of the Evil Genius Chronicles website. The Guardian was also the name of a U.S. television series. ...

Unique attributes

Differences from traditional broadcasting

Unlike radio or streaming media, podcasts are time-shifted, meaning that listeners have control over when they hear the recording. This has disadvantages, since podcasts cannot have live participation or reach large audiences as quickly as radio can. Streaming media is just-in-time delivery of multimedia information. ... Timeshifting is the technique of recording television/satellite/cable transmissions etc for later viewing. ...

However, podcasting has significant advantages over traditional methods of broadcasting due to the egalitarian nature of the technique. In most countries, the radio spectrum is heavily regulated, and personal broadcast licenses are difficult or impossible to obtain. Podcasting allows individuals to easily transmit content worldwide without these difficulties. Egalitarianism is the moral doctrine that equality ought to prevail among some group along some dimension. ... Radio frequency, or RF, refers to that portion of the electromagnetic spectrum in which electromagnetic waves can be generated by alternating current fed to an antenna. ... The United States government requires users of radio spectrum to obtain a broadcast license to use the airwaves, except for low-powered transmitters like CBs and Walkie Talkies. ...

Differences from other forms of online audio

Podcasting differs from broadcasting and webcasting in the way that content is transmitted. Instead of a central audio stream, listeners download audio files remotely and automatically. Podcasts can also include metadata such as dates, titles, and descriptions. Podcasting differs from autocasting in terms of content; podcasts are generally voice broadcasts while autocasting is a speech-synthesized version of regular text blogs. Audioblogs can be easily made into podcasts if they add support for RSS to facilitate automatic retrieval. Note: broadcasting is also the old term for hand sowing. ... A webcast is similar in intent to a broadcast television program but designed for internet transmission. ... Autocasting is an automated form of podcasting that allows bloggers and blog readers generate audio versions of text blogs from RSS feeds. ... Audioblogging is a variant on the blogging trend of periodic internet self-publishing, but using audio as a means of communicating with the audience instead of the text used by standard blogs. ...

Radio stations

Beginning in late 2004, some radio stations began to find podcasting suited to their style of programming. Some examples:

  • In Australia, the ABC's Triple J Network is making a number of programs - including current affairs, science and live music - available for downloading on the Triple J podcasts page (http://www.abc.net.au/triplej/listen/podcast.htm). Cyber Shack offers each week's show on their Cyber Shack podcast page (http://cybershack.com/podcast.asp).
  • In Spain, the private radio station Cadena Ser has also started to podcast most of its programs, including a Spanish manual on its website  (http://www.cadenaser.com/static/podcast/ayuda_podcast.html).
  • In the UK, the BBC has made some programmes available as downloadable MP3 files, including the Saturday-morning sports-punditry radio game show Fighting Talk, and the flagship Radio 4 Today Programme.
  • In the U.S., on October 4, Leo Laporte began re-broadcasting his KFI Los Angeles radio show as a podcast feed. WFMU is an independent freeform radio station in and near New York City with several regular podcasts (http://podcast.wfmu.org/). In San Francisco, a poorly performing Infinity Broadcasting-owned radio station KYOURadio said that as of May 2005 it would covert from over-the-air broadcasting to podcasting only. A station in Denver, 99.5 The Mountain (http://www.995themountain.com/music/podcast/index.php), is podcasting their weekly Mountain Homegrown Show, which features music from local artists. Interestingly, starting May 13, Adam Curry will host a four-hour program radio program every weekday on Sirius Satellite Radio that will discuss podcasts, bringing the format to broadcast radio.
  • In Hong Kong, DragonRadio was the first station with podcasts. Hiradio.net also has developed a feed.

Canada is a sovereign state in northern North America, the northern-most country in the world, and the second largest in total area. ... CBC Radio One is the English language news and information radio network of the publicly-owned Canadian Broadcasting Corporation. ... Quirks and Quarks is the weekly science program on CBC Radio One. ... Corus Entertainment is a Canadian entertainment company, headquarted in Calgary, Alberta, which owns television networks, digital music channels and 50 radio stations across Canada. ... Australia, officially the Commonwealth of Australia, is the sixth-largest country in the world, the only country to occupy an entire continent, and the largest in the region of Australasia/Oceania. ... The Kingdom of Spain or Spain (Spanish and Galician: Reino de España or España; Catalan: Regne dEspanya; Basque: Espainiako Erresuma) is a country located in the southwest of Europe. ... The United Kingdom of Great Britain and Northern Ireland is a country in western Europe, and member of the Commonwealth of Nations, the G8, the European Union, and NATO. Usually known simply as the United Kingdom, the UK, or (inaccurately) as Great Britain or Britain, the UK has four constituent... ... MP3 is a popular digital audio encoding and lossy compression format. ... BBC Radio 4 is a British domestic radio station which broadcasts a wide variety of chiefly spoken-word programmes including news, drama, comedy, science and history. ... This article is about the largest city in California. ... Midtown Manhattan, looking north from the Empire State Building, 2005 New York City (officially named the City of New York) is the most populous city in the state of New York and the entire United States. ... This article is about the city in California. ... CBSs first color logo, which debuted in the fall of 1965. ... This article refers to the state capital of Colorado. ... Sirius Satellite Radio (NASDAQ: SIRI) is a satellite radio (DARS) service in the United States that provides 65 streams (channels) of music and 55 streams of sports, news and entertainment. ... Hong Kong (香港; Cantonese IPA: ; Jyutping: hoeng1 gong2; Yale: heūng góng; pinyin: Xiānggǎng; Wade-Giles: Hsiang-kang) is one of the two Special Administrative Regions of the Peoples Republic of China. ...

External links

  • What is Podcasting? (http://www.ipodder.org/whatIsPodcasting) at iPodder.org
  • New Twist on Net Audio (http://www.wired.com/news/digiwood/0,1412,65237,00.html) at Wired.com
  • Podcasting Related Articles (http://www.podcasting-tools.com/podcasting-articles.htm) at podcasting-tools.com
  • Podcasting VODcasting whitepaper (http://edmarketing.apple.com/adcinstitute/wp-content/Missouri_Podcasting_White_Paper.pdf) at apple.com

  Results from FactBites:
Podcasting - Wikipedia, the free encyclopedia (1703 words)
Though podcasters' web sites may also offer direct download or streaming of their content, a podcast is distinguished from other formats by its ability to be downloaded automatically using software capable of reading feeds like RSS or Atom.
Podcasting is an automatic mechanism by which multimedia computer files are transferred from a server to a client, which pulls down XML files containing the Internet addresses of the media files.
Podcasting's initial appeal was to allow individuals to distribute their own "radio shows," but the system quickly became used in a wide variety of other ways, including distribution of school lessons, official and unofficial audio tours of museums, conference meeting alerts and updates, and by police departments to distribute public safety messages.
podcasting: Information From Answers.com (1735 words)
Podcasting is the method of distributing multimedia files, such as audio programs or music videos, over the Internet using either the RSS or Atom syndication formats, for playback on mobile devices and personal computers.
Though podcasters' web sites may also offer direct download or streaming of their files; a podcast however is distinguished by its ability to be downloaded automatically using software capable of reading RSS or Atom feeds.
"Podcasting" is a compound word coined in 2004, that combines parts of two words: "iPod" and "broadcasting." Even though the name is a misnomer, in that podcasting doesn't require an iPod and no over-the-air broadcasting is required, it has maintained its prominence in the face of numerous alternatives.
  More results at FactBites »



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