HELP! * GREY=local LOCAL HTML version of Foils prepared 24 March 1996 Foil 9 Some (New) Web Technologies in a Nutshell - VI
From Web Technologies for Education Master Presentation Workshop on Education and Training Technology -- NIST -- 25 March 1996. by Geoffrey C. Fox * See also color GIF
- Digital Video and Audio. This will enable collaboration and dissemination of fixed assets (audio/video clips) stored in multi-media databases or of information encoded in real-time.
- RealAudio commercial product uses wavelet compression and delivers AM quality audio over 28.8Kbaud lines. Therefore works on Internet and can combine with images (or Interactive Java animations) for Web Conferencing and Consulting
- Note these are typically streaming and not "batch" approachs. Current default Web downloads video to client before playing and this approach cannot scale!
- Can use traditional (relational) databases to store metadata and text with which to index video.
- Digital video works well over ISDN (128 kbits) but for full screen needs about .5 megabits per second even with wavelets
- This will be CNN/Network digital delivery technology for future infinite cable channel world
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