[MPlayer-advusers] terminology misunderstanding: pulldown vs telecine

[Andrew Savchenko]

On 23 Октябрь 2006 03:48 RC wrote:
> On Mon, 23 Oct 2006 02:51:38 +0400
>
> Andrew Savchenko <Bircoph at list.ru> wrote:
> > The various methods by which this can be done are collectively
> > referred to as "pulldown", of which the infamous NTSC
> > "3:2 telecine" is one variety.
>
> That's certainly a typo, with the terms switched.  (though not a
> very important one)
>
> > Are they (telecine and pulldown terms) synonyms?
>
> Effectively, yes.  They are commonly used interchangably. 
> Neither is a subset of the other.
>
> If you want to get technical, telecine is the machine used to
> transfer film onto video, while pulldown is the process of
> converting the ~24fps film into ~30fps interlaced video.
>
> > From the context of previous text (in encoding-guide.xml) I
> > can conclude that this sentece is about video being interlaced
> > without framerate change, IOW each frame was just transformed
> > into two field with odd and even lines alternately. Am I
> > right?
>
> You are close.  There's no progressive "frames" involved, as TV
> shows are filmed interlaced (one alternate field is captured
> every 1/60th of a second to make 30fps interlaced video).

Thanx, this help a lot.
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