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Web 2.0 Media

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Web 2.0 Media

  1. 1. WEB 2.0 Using and Creating Web 2 Media
  2. 2. KEY TOPICS <ul><li>Brief review of podcasting, vidcasting, and photocasting sites and tools </li></ul><ul><li>Video problems: codecs and wrappers </li></ul><ul><li>UPnP Server software for media </li></ul><ul><li>UPnP hardware clients </li></ul><ul><li>D-Link DSM-320 with TVersity UPnP client demo </li></ul>
  3. 3. All Links in this Presentation can be Found at <ul><li>http://del.icio.us </li></ul><ul><ul><li>Search for scocacon2006 </li></ul></ul>
  4. 4. Review of Podcasting, Vidcasting, and Photocasting Sites and Tools
  5. 5. Podcast Listings <ul><li>www.odeo.com – General Listings </li></ul><ul><li>www.podcastalley.com – Educational Category </li></ul><ul><li>http://epnweb.org/- The Education Podcast Network </li></ul>
  6. 6. Podcast Publishing <ul><li>Loudblog </li></ul><ul><ul><li>PHP </li></ul></ul><ul><ul><li>Development has been slow </li></ul></ul><ul><ul><li>Limited </li></ul></ul><ul><li>Podpress </li></ul><ul><ul><li>Wordpress plugin </li></ul></ul><ul><ul><li>Easy to work with </li></ul></ul><ul><ul><li>Flexible – many formats </li></ul></ul>
  7. 9. Recording and Editing Audio and Video <ul><li>Audacity </li></ul><ul><ul><li>Audio Only </li></ul></ul><ul><ul><li>Open Source </li></ul></ul><ul><li>Sony Vegas </li></ul><ul><ul><li>Audio and Video </li></ul></ul><ul><ul><ul><li>VERY strong audio tools </li></ul></ul></ul><ul><ul><li>Sony Movie Studio </li></ul></ul><ul><ul><ul><li>Consumer Version of Vegas </li></ul></ul></ul>
  8. 11. You try to play a file that has an .avi extension or a file that you know is an mpeg2 and neither will play. Why?
  9. 12. Codecs and Wrappers <ul><li>A Codec is the method with which a file is encoded </li></ul><ul><ul><li>DIVX </li></ul></ul><ul><ul><li>XVID </li></ul></ul><ul><ul><li>Cinepak </li></ul></ul><ul><ul><li>Intel Indeo </li></ul></ul><ul><ul><li>Main Concept </li></ul></ul>
  10. 13. A Wrapper Defines the File Type <ul><li>.avi .mpeg .mp4 </li></ul><ul><ul><li>DIVX and XVID are .avi filetypes </li></ul></ul><ul><ul><li>Main Concept is an .mpeg filetype </li></ul></ul><ul><li>This can cause many problems for network usage </li></ul><ul><ul><li>The user device must have the codec installed </li></ul></ul><ul><ul><ul><li>Even then, problems can arise if the file was encoded with non-standard bit rates </li></ul></ul></ul>
  11. 14. Solution I <ul><li>Use standard codecs and bit rates </li></ul><ul><ul><li>Uncompressed or DV .avi </li></ul></ul><ul><ul><ul><li>Mainly used as high quality container for captured video that is to be output for DVD or Film. </li></ul></ul></ul><ul><ul><li>DIVX </li></ul></ul><ul><ul><ul><li>Now supported by many hardware manufactures </li></ul></ul></ul><ul><ul><li>Mpeg1 can be good for downloading – decent quality </li></ul></ul><ul><ul><li>Mpeg2 for output as DVD </li></ul></ul><ul><ul><li>Quicktime, Windows Media, Realmedia, Flash FLV for streaming </li></ul></ul><ul><ul><li>Mp4 for downloading and portable devices </li></ul></ul>
  12. 15. Solution II <ul><li>Transcoding for Streaming or playing </li></ul><ul><ul><li>Running the original video (e.g. XVID) through another encoder (e.g. mpeg1) “live” </li></ul></ul>
  13. 16. UPnP Servers and Clients
  14. 17. UPnP <ul><li>Universal Plug and Play </li></ul><ul><li>Developed by Intel as a standard architecture for delivering media (Audio, Photos, Video) </li></ul><ul><li>Client Server Based </li></ul>
  15. 18. Servers & Clients <ul><li>Software Servers </li></ul><ul><ul><li>Twonkyvision Media Server </li></ul></ul><ul><ul><li>TVersity Media Server </li></ul></ul><ul><ul><li>Windows Media Connect </li></ul></ul><ul><ul><li>Nero </li></ul></ul><ul><li>Software Clients </li></ul><ul><ul><li>On2Share </li></ul></ul><ul><ul><li>Cyberlink </li></ul></ul>
  16. 19. UPnP Hardware Clients <ul><li>D-Link DSM Series </li></ul><ul><li>Netgear </li></ul><ul><li>Phillips Streamium </li></ul><ul><li>Buffalo Link Theater </li></ul>
  17. 20. TVersity Media Server <ul><li>Runs as Windows Service </li></ul><ul><li>Flash/HTML Interface </li></ul><ul><li>Can transcode on-the-fly </li></ul><ul><li>Ability to OUTPUT your media as RSS feeds </li></ul><ul><li>Ability to read and play from RSS feeds and URLs </li></ul><ul><ul><li>Allows ability to stream podcasts, vidcasts, and photos (flickr) to a UPnP client </li></ul></ul>

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