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Article #382

Re: Videoblaster - what is he able to do?

#382
From: Ralph Engwall
Date: Thu, 13 Aug 1992 10:20
46 lines
2532 bytes
chungh@armory.enet.dec.com (Henry Chung) writes:

>I just got my Vblaster and have been playing with it for several days.

 [ good descrition of V-blaster deleted << it seems to support JPEG well >> ]

>  Creative Lab only recommends 640x480 resolution, but
>it does provide limited support for 800x600 for certain Video cards.
>(I am using 800x600 with my Diamond Speedstar Plus with on problem.

 I could only get it to work at 640x480 on my Diamond Speedstar.  At 800x600
 all I got was a pink screen.  A Paradise OEM card worked fine at 800x600.
 I wanted to try it on an ATI 8514 clone, but as someone already mentioned most
 8514 cards don't have the VGA feature connector.

>One thing that really bothers me is that it does not work with
>system with more than 15M of memory. (I had 16 M  memeory on my system,

 Yea! this is a real bumber.  Anybody with a 16 or 32 Meg machine is SOL
 Since the V-Blaster's 1 MB frame buffer is mapped into a user defined area
 in the 8-15 MB memory space.

 Another potential problem I noted with V-blaster was it's lack of a 
 S-VGA input.

 The fact that V-Blaster uses the VGA feature connector might be a problem if
 you have another card (ie. a VGA to NTSC Genlock card) that uses the
 feature connector.

>The image quality is not as sharp as I expected.  Some noticable noise
>especially near the edges of the window. 

 Most video frame grabers don't seem to capture the image as clearly as it
 appears on the TV screen.  Even a $2000 (US) Targa board seems to come up
 short in this regard. 

 The Video Blaster and the software that comes with it seem to be targeted
 at those users who need to create a PC based multi-media presentation us.

 video sources.   At about $400 US it's hard to beat for this application. >with
 
-- 
+-------------------------+-----------------------------------------------+
|  Ralph Engwall          | Q: Why am I banging my head against the wall? |
|  engwall@mtha.usc.edu   | A: Because it feels *so* good when I stop.    |
|  uunet!usc!engwall	  |						  |
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Path: arc1-ca.pugleaf.net!sparky!uunet!usc!news
From: engwall@mtha.usc.edu (Ralph Engwall)
Newsgroups: comp.multimedia
Subject: Re: Videoblaster - what is he able to do?
Date: 13 Aug 1992 03:20:14 -0700
Organization: University of Southern California, Los Angeles, CA
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Sender: engwall@mtha.usc.edu (Ralph Engwall)
Message-ID: <l8kdquINN97q@mtha.usc.edu>
References: <1992Aug10.230340.11246@ryn.mro4.dec.com>
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