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DM110 - Week 5 - Audio Podcasting
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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

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

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