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Article #329

storage (ascii)

#329
From: Steve Rainwater
Date: Tue, 02 Apr 1991 18:48
28 lines
1878 bytes
 > Does any one know what is the storage capacity of one video
 > disk. We would like
 >  to put about 6 gigabyte worth of images( mostly map's) into
 > a disk, the only way we know is to go with 10 CD ROM'S. Because to view 
 > a image

Normally a standard laservision formatted videodisc will hold 54,000 frames 
or 30 minutes of video at 30 fps (non-drop).  I think you may be confused 
about just what it is that you store on a video disc, though.  They are an 
analog media like video tape rather than a digital media like CD-ROM.  In 
order to store a computer generated graphic, the graphic must first be 
rendered and then transfered to some intermediate analog media (usually 1" 
type C video tape).  The tape would then be send to a facility that could 
create the disc for you.  Going direct to disc is possible if the computer 
that will generate the image can be transported to a disc cutting facility. 
There are a variety of non-standard video disc formats for which you can buy 
portable laser disc recorders (such as the Sony LDR-5000) but they cannot 
play back standard discs and the discs they record cannot be played back on 
standard players.

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From: Steve.Rainwater@f1007.n124.z1.FidoNet.Org (Steve Rainwater)
Newsgroups: comp.ivideodisc
Subject: storage (ascii)
Message-ID: <670618104.0@kcvt.FidoNet.Org>
Date: 2 Apr 91 18:48:00 GMT
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