Path: utzoo!dciem!dretor!client2!king
From: king@client2.DRETOR.UUCP (Stephen King)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Message from designer of FlickerFixer
Message-ID: <990@client2.DRETOR.UUCP>
Date: 1 Sep 88 12:57:18 GMT
Article-I.D.: client2.990
References: <3379@crash.cts.com> <142@antares.UUCP>
Reply-To: king@client2.UUCP (Stephen King)
Organization: D.C.I.E.M., Toronto, Canada
Lines: 23

>
>The mismatch between frames ALWAYS happens whenever a theatrical film is
>shown on TV.  It's called the "5 to 2 pulldown", 

Not quite - it's called 2-3 pulldown. (Benson, Television Engineering
Handbook, p 17.4)

>In my experience, the answer is yes.  If the basketball moves between
>field 2N and field 2N+1 and you are not using a slo-mo-cam, then you will
>get a combined frame that has the ball appearing in two different places.

Agreed, although the motion of the ball may result in edge artifacts,
rather than appearing in two entirely separate places.

Solutions?
	1) Shoot the film at 30 fps.
	2) Use a shuttered TV camera.


-- 
      Stephen J King                ...{utzoo|mnetor}!dciem!dretor!king
-- 
      Stephen J King                ...{utzoo|mnetor}!dciem!dretor!king