Wikipedia

Podcast

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Podcasting involves the recording of internet radio or similar internet audio programs. These recordings are then made available for download to portable digital audio device. One can then listen to the podcast internet radio program while you are away from your computer or at a different time than the original program was broadcast.

The term podcasting plays upon the terms broadcasting and webcasting and is derived from the name of the iPod portable music player, the playback device of choice of many early podcast listeners (though podcasting is not directly associated with Apple's iPod device or iTunes jukebox software.) Podcasting is similar to digital video recorders (DVRs) such as TiVo, which let you record and store TV programs for later viewing. Podcasting differs from DVRs in that it is mainly used for audio content (though it can be used to pull any kind of file, including software updates, pictures, and videos.)

Overview

The ipodder.org definition [1] written by Dave Winer: "Think how a desktop aggregator works. You subscribe to a set of feeds, and then can easily view the new stuff from all of the feeds together, or each feed separately. Podcasting works the same way, with one exception. Instead of reading the new content on a computer screen, you listen to the new content on an iPod or iPod-like device. Think of your iPod as having a set of subscriptions that are checked regularly for updates. "

History

The term podcasting was first used by Ben Hammersley in an article for The Guardian in February 2004 [2], and was perhaps first used in this context by Dannie J. Gregoire, who registered the ___domain name podcasting.net [3]. That usage was discovered and reported on by Dave Slusher of the Evil Genius Chronicles [4] and made popular by former MTV VJ and Dutch weblogger Adam Curry's original [5] ipodder script. RSS pioneer Dave Winer describes succinctly the technology used to pull digital audio (e.g., especially MP3) files from websites down to computers and devices where the audio can be played back at a listener's convenience. The recovery of MP3 links from distributed weblogs and distribution of the aggregated list using RSS had been demonstrated by Stephen Downes's [6] Ed Radio [7], launched June 9, 2004. Podcasting was developed, according to Curry[8] in August, 2004.

Adding to a number of ad-hoc, proto-podcasting techniques for automatically downloading audio files, podcasting proper became popular through association with blogs (in particular MP3 blogs), the XML-based file format called RSS (Really Simple Syndication), and the polling applications called feed readers or news readers that poll and download RSS files.

Blogs, often being self-published websites, provided a convenient means for individuals to self-publish audio files online. RSS already gave websites and blogs a means to summarize or list new content added to the site. Individuals already used RSS to poll websites for new content. Thus, the addition of audio file listings to RSS, and the addition of audio file downloading to RSS feed readers built upon the feed reader's existing methods for polling and downloading files, and upon the existing "reader driven" interaction with content publishers.

There have been precedents to podcasting going back to the early days of MP3 players. A service similar to podcasting was developed by one of the first manufacturers of MP3 portables back in 2000. To supply content for its players the I2Go company, makers of the eGo player, introduced a service called MyAudio2Go.com that created daily audio news feeds that could be dowloaded to the Ego portable or any other MP3 player. The eGo software could be programmed to pull down specific feeds every night.

There were dozens of focused daily feeds covering national news, business news, entertainment news, even a recap of the previous days TV shows. The service had some success, but succumbed when the I2Go company folded during the dotcom crash. Archive.org has an August 2000 snapshot of the MyAudio2Go site.

Comparison to broadcasting and webcasting

Podcasting is different from broadcasting and webcasting in that it "casts" audio not by a mechanism of centrally pushing audio out to listeners, but by the mechanism of the (distributed) listeners pulling (downloading) the audio files automatically. Podcasters publish (or "podcast") audio files, even in the likeness of radio shows, but it is the individual listener who initiates the "cast" through their subscription and automatic download of the audio program.

Podcasting also utilizes the combination of audio files and RSS to publish descriptive data and metadata associated with the audio. RSS files used in podcasting include dates, titles, descriptions, and links to audio files. These links to audio files within RSS, which are used by podcasting applications, are defined by the enclosure elements in RSS 2.0 and RSS 1.0 (RDF), and all of the original podcasting proper applications were built to work with RSS 2.0.

Information

Software

  • iPodder. iPodder Lemon. The cross-platform podcast receiver (Windows / Mac / Linux).
  • bashpodder: Podcast client for Linux
  • iPodderX. iPodderX, podcast receiver for the Mac. Handles audio, video, and still images.
  • CITA RSS Aggregator. An RSS Aggregator capable of downloading Podcasts and BitTorrents.
  • Jäger. An RSS aggregator with podcast reception for Windows, Mac and Linux.
  • Sparks!. Podcast client with a streaming Internet radio recorder for Windows and Mac.
  • jPodder: for Windows
  • Podcast icons: for feeds and individual audio files
  • Doppler: The podcast client for Windows
  • Nimiq: for Windows. Capable of downloading BitTorrents.
  • MFeeds: Web app for creating podcast-friendly feeds and generating media feeds of webpages.
  • NetNewsWire: This Mac RSS aggregator supports podcasting in its 2.0 beta version.
  • PoddumFeeder. PoddumFeeder. PodCast receiver for Macintosh OS X
  • Podfeeder. Podcast receiver for Windows. Sync your podcast subscriptions across multiple machines

Hosting

  • LibSyn Liberated Syndication is Podcasting Made Easy.
  • Audio Blogger Free hosting of unlimited 5 minute segments of audio you post by phone, no recording studio or software needed.
  • Blogger You need a weblog to host the audio segments from audio blogger and you can get one free here.
  • Rizzn Free hosting of podcasts, provides mp3 link and rss enclosures. You just email your sound file and it is posted. Very easy to use.
  • Jet-Stream Not downloads but PodCast streaming to iTunes. Pros are instant play, no buffering or waiting. Cons: not syncable with iPod.

Directories

  • Podcasting.net. Podcast Directory with archived episodes and full length player
  • Digital Podcast Directory Helping you navigate to the world's best podcasts
  • iPodder.org. Podcast Directory
  • Audio.WebLogs.com. Lists the last 100 podcasts.
  • iPodderX Podcast Directory. Directory of available podcasts, searchable and browse-able by category
  • All Podcasts. Searchable full-text index of podcast titles and descriptions.
  • DownloadRadio.org. searchable directory of radio shows turned podcasts.
  • IndieFeed.com. Free, independent artist music in single-serving podcasts.
  • Kedora TV. Directory of video podcasts using BitTorrent.
  • Massive Change. Collection of interviews available for download, topics include: economics, design, architecture, materials science, cultural anthropology, evolution, biology, futurism and more.
  • POTKAST.com. Directory of 10.000+ podcasts including BitTorrent, MP3, video and picture files. Download self created playlists.
  • New Time Radio. Guide to podcasts and other independent audio shows.
  • OpenPodcast.org. "A dynamically generated podcast to which anyone at all can contribute."
  • HackerMedia. Directory of various hacker-radio and hacker-television podcasts
  • PodcastAlley.com. Comprehensive and searchable listing of 700+ podcasts. Genres, Keywords, Voting, Comments and more.
  • podCast411 411 on podCasts, podCasters and podCasting
  • Podcast.net. First directory & full listening station of podcasts in over 400 categories
  • Podcastbunker.com. Podcast Reviews, Podcast News, Links to Rated Podcast & More.
  • Podcast Central. List of podcast RSS feeds.
  • PenguinRadio: Podcasting Directory. List of podcast RSS feeds.
  • PodCasters.org. Podcasting people, apps, technology, and news.Includes a list of podcast RSS feeds.
  • Podcast Directory - Podcasting News has a large directory, organized hierarchically.
  • Podcat.com. Daily "best of podcasting" shows.
  • PoddumFeeder Hot Picks. OPML feeds of hot PodCasts, brought to you by PoddumFeeder for Mac OS X.
  • PodFly.com. Podcasters' Portal.
  • SportPodcasts.com. The first all sport podcast directory. Their mission is to build the world's largest podcast directory pertaining to sports.
  • Podfeeder.com. Podfeeder directory of podcasts
  • Blogdigger Media. - Search engine for media, featuring podcasts. Search and subscribe by keyword or recent podcasts.

Blogs

HOW-TO

  • The r33tcast: A quick how to in downloading, installing, and subscribing to Podcasts.
  • podCast411: How to Directory and help regarding podCasting and RSS feeds
  • PodcastTools.com: Video on a creating your own Podcast entirely with free software, hosting and services.
  • Behind the Scenes: How-to podcast for podcasters covering all aspects of creating and running a podcast.
  • eyeProdding: Audio-visual Podcasting.
  • podca.st: Podcast FAQ.
  • engadget.com: How to create/receive a podcast
  • forret.com: Podcast with Blogger and Feedburner
  • Blogcasting: Podcast with just Blogger
  • podfly.com. Create your own podcast in minutes.
  • oristus.com. Article on how to create better podcasts (13-Oct-2004).
  • jakeludington.com: Podcasting with Windows Media Player
  • pocketpctools.com: Tutorial on how to get Podcasts on your PocketPC or Windows Mobile handheld
  • ZefHemel.com: Howto podcast using Windows and free tools like Audacity
  • TEACH42.com: Quite possibly the quickest and easiest way to create a podcast using Mac OS X and a few Freeware Utilties. (Jan 2005)
  • BaffledExperts.com: Tips on getting good quality audio for super cheap. Advice and answers exchanged for good karma
  • Podcasting 101: A digital video primer. Promiscuousbullet takes Jamie around the Podcasting block. CC license.
  • Au joyeux podcasteur: French speaking forum for people doing podcast (or planning to do it). The goal is to share advices and experiences.
  • Yeast Radio FAQ:An mp3 audio guide for beginners that tells how to subscribe to podcasts and load them onto your mp3 player.

Industry Blogs

Proto-podcasting

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