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Audio and Video

Audio and Video. David Zepeda Information Architecture and Design I Fall 2005. Vocabulary Audio Formats Video Formats Media Players Audio and Video on the Web Future of Audio and Video. Vocabulary.

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Audio and Video

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  1. Audio and Video David Zepeda Information Architecture and Design I Fall 2005

  2. Vocabulary • Audio Formats • Video Formats • Media Players • Audio and Video on the Web • Future of Audio and Video

  3. Vocabulary Codec: COmpresor/DECoder an encoding algorithm that compresses and optimizes audio/video for digital transmission

  4. Vocabulary Lossless Compression: type of compression that squeezes/stuffs data into smaller sized data packets without permanently discarding information Lossy compression: type of compression that intelligently discards data to achieve smaller file sizes, permanently discarding frequencies deemed unnecessary

  5. Vocabulary Streaming Media: Media that is consumed while it is being delivered. HTTP Streaming / Progressive Streaming: Download-and-Play method takes a compressed media file and downloads it to your computer's hard drive before playback. Real Time StreamingReal-time streaming is broadcast to your computer directly from a server and played back as the information is received from the server, without waiting for the file to download.

  6. Audio Formats

  7. Video Formats

  8. Media Players • Windows Media Player • iTunes • Quicktime • Real Player • Flash (.swf) • DivX Player

  9. Audio and Video for the Web • Don’t use it if you don’t need it • Only use it when expected • If you use it, explain how • Offer alternative formats if possible • Use Audio and Video to instruct and entertain

  10. Examples http://www.thefray.net/ http://www.thefray.net/header.swf http://www.davidgarza.com/downloads.html http://www.netflix.com/ http://www.amazon.com/ http://www.ischool.utexas.edu http://www.idrivesafely.com/

  11. Future of Audio andVideo • Take it anywhere: iPod, Podcasting, PSP, Cell Phones, and PDAs • Emmy for ACHIEVEMENT IN CONTENT FOR NON-TRADITIONAL DELIVERY PLATFORMS This award will be given in recognition of editorial content and video production creativity in original material created primarily for consumption on non-traditional viewing platforms such as computers, mobile phones, PDAs and similar devices

  12. Resources • http://www.emmyonline.org/index.html • http://whatis.techtarget.com/fileFormatA/0,289933,sid9,00.html • http://support.microsoft.com/?scid=kb;en-us;q316992 • http://www.apple.com/quicktime/player/specs.html • http://www.uwm.edu/~elsmith/videofileformats.html

  13. Resources • Barfield, Lon. (2004). Design for new media : interaction design for multimedia and the Web. Harlow, England ; New York : Pearson/Addison Wesley, 2004. • Beggs, J. and Thede D. (2001). Designing Web Audio. Beijing ; (Cambridge, Mass.) : O'Reilly, c2001.

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