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Article #290

Re: Video Capture Systems

#290
From: Martin B.Hill
Date: Fri, 10 Apr 1992 10:25
49 lines
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One caveat:
To replace the full functionality of a VCR with a computer based system,
you're looking at BIG dollars.  Low-end small sofware based Quicktime
video segments are bad enough, but full screen full fps hardware-based
QuickTime videos mean gigs of Hard Disk and an expensive video board, not
to mention a fairly powerful computer...

However, those concerns aside...

Any of the many existing Quicktime capable boards on the Macintosh
platform such as those listed below will capture live video (and sound
either via the board itself or through the Mac's Sound digitizing
capabilities or MacRecorder or similar).  These boards save the video to
dis at small resolutions and frame rates (typically 10-15fps, and 160x120
pixels).  They have the advantage however, that the Quicktime video
segments play back on any 68020 Mac or greater without those Macs also
needing extra hardware like a card.

-SuperMac VideoSpigot, VideoSpigot Pro, VideoSpigot and Sound
-RasterOps 364, 24stv, 24xlitv, 24mxlitv, MediaTime
-VideoLogic
-MoonRaker
etc 

A number of these cards, namely most of the RasterOps boards are
upgradable in the future with the QuickPac daughter board to give full
screen, 25 or 30 fps video capture and playback.  This is due in May.

The RasterOps ImagePro has been mentioned in previous postings as capable
of Motion JPEG compression and apparently gets near to the mark re full
screen, full fps.

Several cards are already shipping with 640x480 full screen resolution,
full frame rate, video capture and playback:

-the EyeQ series of boards using a DVI chip (see prev posting re. DVI)
-the Digital FX and Soft FX Off-line Video editing systems.
-the AVID series of Off and low-end On-Line professional editing   
 system.

Catcha!
----------------------------------------------------------------------
Martin Hill            Internet:  chillm@cc.curtin.edu.au
Multimedia Consultant  QuickMail: Martin_Hill@3512673
Computing Centre       AppleLink: AUST0176
Curtin University      GPO Box U 1987, 
Ph:(09)351-7461        Perth 6001,
Fax:(09)351-2673       Western Austalia
----------------------------------------------------------------------
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Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!uniwa!cujo!news
From: Martin B.Hill <Martin_Hill@qmcc.curtin.edu.au>
Subject: Re: Video Capture Systems
Message-ID: <1992Apr10.102503.15799@cujo.curtin.edu.au>
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References: <1992Apr7.153918.29582@newshost.lanl.gov>
Date: Fri, 10 Apr 1992 10:25:03 GMT