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- Path: pool4-021.wwa.com!user
- From: singh@wwa.com (singh)
- Newsgroups: comp.sys.amiga.multimedia
- Subject: Re: Amiga NTSC Line Doubling
- Date: 30 Jan 1996 17:32:09 GMT
- Organization: WorldWide Access (tm) - Chicagoland Internet Services (http://www.wwa.com)
- Message-ID: <singh-0203951138120001@pool4-021.wwa.com>
- References: <4e5kkg$b6j@news.microsoft.com> <1996Jan26.194818.16961@scala.scala.com>
- NNTP-Posting-Host: pool4-021.wwa.com
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-
- In article <1996Jan26.194818.16961@scala.scala.com>, john.chang@scala.com wrote:
-
- > In <4e5kkg$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.
- >
-
- actually I've tried outputting the flicker-fixed signal to a vga-composite
- converter and, like John said, it's completely unusable as a video signal.
-
- WaveGirl
-