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Multimedia Storage and Access Iris Xie
Multimedia <ul><li>Multimedia is any combination of: </li></ul><ul><li>music </li></ul><ul><li>animation </li></ul><ul><li...
Sound Formats <ul><li>WAV - contains complete digital sound, files can be huge; </li></ul><ul><li>Need to download; high q...
Building Music Digital Library <ul><li>Acquire music collection </li></ul><ul><li>Optical music recognition (OMR) </li></u...
Video files <ul><li>AVI (Audio Video Interleave) is a format defined by Microsoft for storing audio/video data. It is very...
Streaming Audio & Video <ul><li>Internet compatible </li></ul><ul><li>allows file to be played without first downloading  ...
Video Processing <ul><li>Camera ->  </li></ul><ul><li>Video Capture/conversion -> </li></ul><ul><li>RealProducer Plus </li...
Video Editing <ul><li>Timeline Editors  </li></ul><ul><li>  - treat components in a linear fashion as parallel tracks </li...
Video Output <ul><li>Tape </li></ul><ul><li>CD (650MB) </li></ul><ul><li>DVD (digital video disk, digital versatile disk) ...
Example of using different formats <ul><li>American Memory Viewer Information </li></ul><ul><li>http://memory.loc.gov/amme...
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Multimedia Storage and Access Iris Xie

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Transcript of "Multimedia Storage and Access Iris Xie"

  1. 1. Multimedia Storage and Access Iris Xie
  2. 2. Multimedia <ul><li>Multimedia is any combination of: </li></ul><ul><li>music </li></ul><ul><li>animation </li></ul><ul><li>video </li></ul><ul><li>maps </li></ul><ul><li>text </li></ul><ul><li>illustrations </li></ul><ul><li>photos </li></ul><ul><li>narration </li></ul>
  3. 3. Sound Formats <ul><li>WAV - contains complete digital sound, files can be huge; </li></ul><ul><li>Need to download; high quality; window operating systems contain WAV players </li></ul><ul><li>MIDI - musical instrument digital interface </li></ul><ul><li> - contains instructions on how to play back synthesized sound </li></ul><ul><li>http://www.midi.org/ </li></ul><ul><li>MP3 - is a file format which stores audio files on a computer in such a way that the file size is relatively small, but the song sounds near perfect; download faster </li></ul><ul><li>http://www.mp3.com/ </li></ul><ul><li>Real audio –streaming file </li></ul><ul><li>http://www.lib.msu.edu/vincent/presidents/index.htm </li></ul>
  4. 4. Building Music Digital Library <ul><li>Acquire music collection </li></ul><ul><li>Optical music recognition (OMR) </li></ul><ul><li>Browse and search </li></ul><ul><ul><li>Text-based query </li></ul></ul><ul><ul><li>Melody-based query </li></ul></ul><ul><li>Display results </li></ul><ul><li>Example: New Zealand Digital Music Library </li></ul><ul><li>http://www.nzdl.org/musiclib </li></ul>
  5. 5. Video files <ul><li>AVI (Audio Video Interleave) is a format defined by Microsoft for storing audio/video data. It is very popular on the Windows platform. </li></ul><ul><li>.qt - QuickTime movie - QT player, offers smaller, downloadable files and allows films to be viewed on lower-end computer systems; 5 megabytes per minute; QuickTime 3 streaming file format </li></ul><ul><li>.mpeg (Motion Picture Experts Group) offers high resolution and better quality than the equivalent QuickTime versions, and requires high-end computers to view; nine megabytes per minutes </li></ul><ul><li>.rm - RealMedia files (more compact), eliminate the need to download the file </li></ul><ul><li>.wmv - The .wmv file name extension is used for Windows Media Video (WMV) files that contain both audio and video compressed with the Windows Media Audio and Video codecs. </li></ul>
  6. 6. Streaming Audio & Video <ul><li>Internet compatible </li></ul><ul><li>allows file to be played without first downloading </li></ul><ul><li>the complete file </li></ul><ul><li>RealPlayer software leading the way </li></ul><ul><li>http://www.real.com </li></ul>
  7. 7. Video Processing <ul><li>Camera -> </li></ul><ul><li>Video Capture/conversion -> </li></ul><ul><li>RealProducer Plus </li></ul><ul><li>http://www.realnetworks.com/products/producerplus/info.html?src=000927realhome_1&mcc=000927realhome_1 </li></ul><ul><li>Video editing -> </li></ul><ul><li>Output </li></ul>
  8. 8. Video Editing <ul><li>Timeline Editors </li></ul><ul><li> - treat components in a linear fashion as parallel tracks </li></ul><ul><li>Storyboard Editors </li></ul><ul><li> - treat video components as objects </li></ul><ul><li>Examples of Video Editing software </li></ul><ul><li>Adobe Premiere </li></ul><ul><li>http://www.adobe.com/products/premiere/ </li></ul><ul><li>MGI VideoWave </li></ul><ul><li>http://www.mgisoft.com/video/videowave/ </li></ul><ul><li>Windows Movie Maker </li></ul><ul><li>http://www.atomiclearning.com/moviemaker2 </li></ul>
  9. 9. Video Output <ul><li>Tape </li></ul><ul><li>CD (650MB) </li></ul><ul><li>DVD (digital video disk, digital versatile disk) </li></ul><ul><li>4.7 GB (single-layer, single side) </li></ul><ul><li>8.56 GB (dual-layer, single side) </li></ul><ul><li>Streaming Video (Internet) </li></ul>
  10. 10. Example of using different formats <ul><li>American Memory Viewer Information </li></ul><ul><li>http://memory.loc.gov/ammem/amviewer.html </li></ul>
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