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DM110 - Week 5 - Audio Podcasting

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DM110 Emerging Web Media / Huston Film School, National University of Ireland, Galway / 6th February 2007

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DM110 - Week 5 - Audio Podcasting

  1. 1. DM110 Emerging Web Media Dr. John Breslin [email_address] http://sw.deri.org/~jbreslin/ Week 5: Audio Podcasting
  2. 2. Podcasts are like audio blogs <ul><li>“ Podcasts are to radio what blogs are to newspapers and magazines” </li></ul><ul><li>The name “Podcast” is a portmanteau of “pod” from iPod and “broadcast” </li></ul><ul><li>Basically, podcasts are MP3 audio files created by individuals or organisations, published on the Web and downloaded by others to their iPods or other MP3 playing devices </li></ul><ul><li>Can be interviews, music shows, comedies, etc. </li></ul><ul><li>Famous podcasters include Ricky Gervais for the Guardian Unlimited site </li></ul>
  3. 3. What distinguishes a podcast from an MP3? <ul><li>Many sites offer downloads of audio files or streaming audio content (in MP3 or other format) </li></ul><ul><li>But podcasts differ in that they can be downloaded automatically via a syndication process (“push technology”): </li></ul><ul><ul><li>When a new audio file is added to a podcast channel, the associated syndication feed (usually RSS or Atom) is updated </li></ul></ul><ul><ul><li>The consumer’s podcasting application (e.g. iTunes) will periodically check for new audio files in the channels that a consumer is subscribed to, and will automatically download them </li></ul></ul><ul><ul><li>(More about content syndication later in this course…) </li></ul></ul><ul><li>Can be accompanied by show notes </li></ul>
  4. 4. History of podcasts <ul><li>Concept suggested in 2000 </li></ul><ul><li>Technical roots in 2001, with blogs being the key </li></ul><ul><li>The term came into use around 2004 (Adam Curry = #1) </li></ul><ul><li>Several technologies had to be in place: </li></ul><ul><ul><li>High-speed Internet </li></ul></ul><ul><ul><li>MP3 technology </li></ul></ul><ul><ul><li>RSS, podcatching software </li></ul></ul><ul><ul><li>Digital media players </li></ul></ul><ul><li>2005, >100M Google hits </li></ul><ul><li>In 2006, the number of podcasts surpassed the number of radio stations worldwide </li></ul>
  5. 5. Some businesses that are podcasting (via Shel Holtz) <ul><li>Walt Disney </li></ul><ul><li>General Motors </li></ul><ul><li>Purina </li></ul><ul><li>Virgin Atlantic </li></ul><ul><li>Oracle </li></ul><ul><li>TV Guide </li></ul><ul><li>Jupiter Research </li></ul><ul><li>Macromedia </li></ul><ul><li>BMC Software </li></ul><ul><li>iPressRoom </li></ul>
  6. 6. How do I get them? <ul><li>Can play on your PC even if you don’t have an iPod or Portable Media Player </li></ul><ul><li>Can use iTunes for Windows or MacOS </li></ul><ul><ul><li>Click on Music Store -> Podcasts -> Browse </li></ul></ul><ul><li>Get direct from sites… </li></ul><ul><li>Odeo podcast directory </li></ul>
  7. 7. Podcast browsing via iTunes
  8. 8. Direct podcast links
  9. 9. Odeo podcast directory
  10. 10. And now there are video podcasts… <ul><li>Video podcasts are similar to audio podcasts, and can be downloaded to PCs or PMPs </li></ul><ul><li>Some television stations are making episodes of series downloadable for free (e.g. C4’s 4oD) or for a fee </li></ul><ul><li>There are also many free video podcasts (interviews, news, documentaries, behind the scenes, etc.) </li></ul><ul><li>Your own internet TV station… </li></ul><ul><li>All you need is a cam! </li></ul><ul><li>AKA vodcasts or vidcasts </li></ul><ul><li>(VOD = video-on-demand) </li></ul><ul><li>More next week </li></ul>
  11. 11. Podcasting process <ul><li>Podcast creation: </li></ul><ul><ul><li>Computer with a line-in jack or USB microphone (€8!) </li></ul></ul><ul><ul><li>Audacity – http://audacity.sourceforge.net/ (Free!) </li></ul></ul><ul><li>Podcast hosting: </li></ul><ul><ul><li>Loudblog – http://www.loudblog.de/ </li></ul></ul><ul><ul><li>WordPress (and optional PodPress) – http://www.wordpress.org/ and http://www.podpress.org/ </li></ul></ul><ul><ul><li>Blast – http://www.blastpodcast.com/ </li></ul></ul><ul><ul><li>Blogger – Upload a file to archive.org for example, link from a post using “Show link field” </li></ul></ul><ul><li>Podcast listening: </li></ul><ul><ul><li>iTunes - http://www.apple.com/itunes/ </li></ul></ul><ul><ul><li>Juice - http://juicereceiver.sourceforge.net/ </li></ul></ul>
  12. 12. Audacity recording
  13. 13. Loudblog publishing
  14. 14. Submit to iTunes
  15. 15. Podcasting legalities <ul><li>“ Copyright is the branch of law that protects creative expression”, including: </li></ul><ul><ul><li>Texts displayed, read aloud, etc. </li></ul></ul><ul><ul><li>Music played during podcasts, intros, outros </li></ul></ul><ul><ul><li>Audio content performed or displayed </li></ul></ul><ul><ul><li>Interviews of others are also protectable </li></ul></ul><ul><li>Solution is to try and use “podsafe” content: </li></ul><ul><ul><li>“ Creative Commons”-licensed works, PD works, fair use, etc. </li></ul></ul><ul><li>Related links: </li></ul><ul><ul><li>http://www.higheredblogcon.com/index.php/legal-issues-in-podcasting-the-traditional-classroom/print/ </li></ul></ul><ul><ul><li>http://www.archive.org/details/opensource_audio </li></ul></ul><ul><ul><li>http://wiki.creativecommons.org/Podcasting_Legal_Guide </li></ul></ul>
  16. 16. Podcasting in education <ul><li>Listen to or view your lectures on demand! </li></ul><ul><li>Teachers can publish podcasts of their lectures and assignments for an entire class or for the public: </li></ul><ul><ul><li>May supplement physical lectures </li></ul></ul><ul><ul><li>May fully serve distance learning students </li></ul></ul><ul><li>Conversely, students can create and publish content and deliver it to their teachers or other students </li></ul><ul><li>CELT’s Iain MacLaren on podcasting in education: </li></ul><ul><ul><li>http://ollscoil.blogspot.com/2006/11/podcasting-in-higher-education.html </li></ul></ul><ul><li>Educational podcasts: </li></ul><ul><ul><li>http://www.uccinteractive.tv/test/new/podcasts/index.html </li></ul></ul><ul><ul><li>http://itunes.stanford.edu/ and http://web.mit.edu/ist/podcasts/ </li></ul></ul>
  17. 17. Podcasting in Ireland <ul><li>Bernie Goldbach’s podcast from the Tipperary Institute: </li></ul><ul><ul><li>http://www.podcasting.ie/ </li></ul></ul><ul><li>Brian Greene’s Irish podcasting news: </li></ul><ul><ul><li>http://www.doop.ie/podcasting_news/ </li></ul></ul><ul><li>Irish podcast directory: </li></ul><ul><ul><li>http://www.podcastingireland.ie/ </li></ul></ul><ul><li>RTÉ’s R1 podcasts: </li></ul><ul><ul><li>http://www.rte.ie/radio1/podcast/ </li></ul></ul><ul><li>Irish Emigrant podcasts: </li></ul><ul><ul><li>http://www.emigrant.ie/podcast.htm </li></ul></ul><ul><li>Irish podcasting representative body: </li></ul><ul><ul><li>http://podireland.org/ </li></ul></ul>
  18. 18. Other podcasting technologies <ul><li>Autocasting: </li></ul><ul><ul><li>The automatic generation of podcasts from text-only sources (e.g. from free books at Project Gutenberg) </li></ul></ul><ul><li>MMS podcasts and mobilecasting: </li></ul><ul><ul><li>Mobile podcasting and listening or viewing through mobile phones </li></ul></ul><ul><li>Voicecasting: </li></ul><ul><ul><li>Podcast delivery through a telephone call </li></ul></ul><ul><li>Skypecasting and phonecasting: </li></ul><ul><ul><li>Creating podcasts by recording a Skype conference call or regular phone call </li></ul></ul><ul><ul><li>http://www.voip-sol.com/15-apps-for-recording-skype-conversations/ </li></ul></ul>
  19. 19. Add descriptive metadata to your podcasts <ul><li>ID3 tags are a metadata tagging format for MP3 files </li></ul><ul><li>Metadata includes: </li></ul><ul><ul><li>Title, artist, album, track number, etc. </li></ul></ul><ul><li>Useful to add this to control how your podcast will be displayed in players such as iTunes, Winamp, etc. </li></ul><ul><li>ID3 tag editor: </li></ul><ul><ul><li>http://www.id3-tagit.de/ </li></ul></ul>
  20. 20. Using semantics with podcasts
  21. 21. Guest lecturer on 6 th March 2007 at 11 AM <ul><li>Conn Ó Muineachain, Edgecast Media: </li></ul><ul><ul><li>“ Best Independent Podcast Production”, Digital Media Awards 2007 </li></ul></ul><ul><ul><li>“ Grand Prix”, Digital Media Awards 2007 </li></ul></ul><ul><li>Gaeilge - http://imeall.blogspot.com/ </li></ul><ul><li>English - http://imeall.wordpress.com/ </li></ul><ul><li>“ An tImeall”, “An Líonra Sóisialta” </li></ul><ul><li>Syndicated on 7 stations </li></ul>

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