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From: gutierre@nsipo.arc.nasa.gov (Robert Michael Gutierrez)
Newsgroups: comp.sys.amiga
Subject: Re: Camcorder/Genlock Question
Message-ID: <35909@ames.arc.nasa.gov>
Date: 15 Nov 89 16:08:01 GMT
References: <776@orange9.qtp.ufl.edu> <2086@jolnet.ORPK.IL.US>
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Reply-To: gutierre@nsipo.arc.nasa.gov.UUCP (Robert Michael Gutierrez)
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Organization: NASA Science Internet Project Office
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swan@jolnet.UUCP (Joel Swan) writes:
>sutherla@qtp.ufl.edu (scott sutherland) writes:
>:.......................................... So, I had an idea. Well,
>:it was just one! Anyway, not having any experience with Genlocks or
>:camcorders, I am not sure if it will work. For this idea, you need
>:to think of the camcorder as 2 SEPARATE ENTITIES, a camera and a 
>:video recorder. I will draw it as such, but attached. My idea is as
>:follows:
>:
>:						/Genlock input
>:	|-------|---LIVE video out of camera-| /
>:	|Camera |			     |/	|---------------|
>:	| Part	|			|----V--|		|
>:	|	|			|Genlock|		|
>:	|-------|---------|   Genlock	|-------|   Amiga	|
>:	|		  |    out------->|	|		|
>:	|  Recorder Part  |		  |	|---------------|
>:	|  of Camcorder   |<-Recorder in--|
>:	|-----------------|
[...]
>It would work only IF the camcorder could have the camera half turned
>on and the recorder NOT recording the camera's video.
>I know of no such camcorder that allows this.  They all automatically
           ^^ ^^^^ ^^^^^^^^
>record from the camera WHENEVER the camera half is active.

ONE camcorder does! And it is an 8mm. It's the Sony Pro-8 (forgot the model
number, possibly V-8???). It *DOES* have a camera-VCR loop connection. You
have to buy some stupid (and expensive adapter), but the loop-thru allows
you to take the camera output, process it any way you want, and return the
processed video back into the VCR to be recorded. I know, I owned the model
until I gave it to my father (am now using a Panasonic AG-400 camcorder).
The manual says the intention of the loop-thru is to use an optional
superimposer (never saw it) or effects box (saw it, real crappy...) WHILE
you were shooting. Since the V-8 already has a character generator (8 line,
100x100 res), it didn't mention the use of the loop for using an external
c.g.

My (now) fathers camcorder died on him, and I'm putting it in the shop next
week (CPU failure). I'll let you know what the connectors are labeled. They
are REAL small connectors, usually called PCB (PC Board) RF connectors.

There is a possibility that Sony did have this loop-thru for one other model,
but I can't remember the model number of that one either.


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