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Article View: comp.sys.amiga.multimedia
Article #1332

Re: Amiga NTSC Line Doubling

#1332
From: john.chang
Date: Fri, 26 Jan 1996 19:48
41 lines
2019 bytes
In <4e5kkg$b6j@news.microsoft.com>, a-darylw (Daryl A. Welsh) writes:
>Somebody had mentioned to me that the Amiga (the 3000 to be specific) had 
>the capabilites to do NTSC and PAL line doubling.
>
>As a none Amiga user, I'm curious if this is true, and if so has anybody 
>applied this to a home-theater setup?  It seems like this would be a 
>terrific alternative to the Faroudja Line-Doubler which can cost well over 
>$10K.

Well, sort of.  Commodore, ICD and others made "de-interlacer" products
that "buffered" the even and odd scanlines into one "frame", effectively
giving a usable 31.5 KHz output to a VGA monitor.  Unfortunately, these
products are not very useful in television applications, as they suffered
from "shearing".  That is, the even and odd scanlines don't "sync"
together very well.  Its most noticable with fast moving objects or
if the video has a camera shot that pans right/left quickly.  The "shearing"
effect would be considered unacceptable to most videophiles.

>The opinions expressed in this message are my own personal views 
>and do not reflect the official views of Microsoft Corporation.

Now that I've answered your question, what do you do for Microsoft?



Regards,

John Chang
____

John Chang, Technical Support Manager, Scala, Inc. USA

Websites: www.scala.com or www.scala.no
USA Technical Support: tech.support@scala.com
USA Sales Information: sales@scala.com

"Multimedia by SCALA.  Why Make It Harder?"
Scala Computer Television
____

"Too bad she won't live.  But then again, who does." - Gaf (BladeRunner)
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Message-ID: <1996Jan26.194818.16961@scala.scala.com>
Path: arc1-ca.pugleaf.net!news.kei.com!ub!dsinc!scala!news
References: <4e5kkg$b6j@news.microsoft.com>

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Newsgroups: comp.sys.amiga.multimedia
Path: arc1-ca.pugleaf.net!news.kei.com!ub!dsinc!scala!news
From: john.chang@scala.com
Subject: Re: Amiga NTSC Line Doubling
Sender: news@scala.scala.com (Usenet administrator)
Message-ID: <1996Jan26.194818.16961@scala.scala.com>
Date: Fri, 26 Jan 1996 19:48:18 GMT
Reply-To: john.chang@scala.com
References: <4e5kkg$b6j@news.microsoft.com>
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Organization: Scala Inc.