NDLI: Interactive videodisk

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Interactive videodisk—a new look

Content Provider	ACM Digital Library
Author	Martin, Jerry
Abstract	Interactive videodisk has been around for quite some time. Several companies, IBM included, have lost quite a bit of money on it. The problem has been primarily the cost and difficulty of mastering a video disk. The problem of mastering (creating the first master copy from another video media) is still with us, but the difficulty level has been reduced somewhat. As with many other devices, the price has remained high until the product is useful for many individuals at a reasonable cost. The video tape recorded is one example of this price reduction.Recently, the price of videodisk systems has been dropping at a fairly dramatic rate. This is due somewhat in the reduction in price of the electronic components. However, there is increased interest in using the technology for mass storage for microcomputers as well. The result of the advances made for one industry has helped the other; in this case the videodisk. It is now possible to acquire the hardware for videodisk for less than \$1,000. By spending a small amount for a microcomputer controller, it is possible to control the videodisk intelligently from a microcomputer for the price of a card. Controller cards for some of the more popular microcomputers run around \$300. So cost is becoming less of a factor.However, whatever the price, what is the utility of videodisk over some other technique, say microcomputer graphics capability? Following is a summary of the differences:Microcomputer GraphicsLimited ResolutionLimited ColorsSlow generation of pictureComplex pictures require large amounts of memory and disk spaceContinuous motion slow and difficultVideodisk GraphicsHigh TV like resolutionUnlimited ColorsLess than 5 seconds to randomly access any of 54,000 picturesRegardless of picture complexity space required on disk is smallContinuous motion easy as well as slow, and reverse motionThe major disadvantage of videodisk is getting the source of the video in a format that can be placed on the videodisk.
Starting Page	43
Ending Page	46
Page Count	4
File Format	PDF
ISBN	0897911679
DOI	10.1145/318741.318748
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1985-09-01
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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