Re: 16mm film projection speeds

From: Chen Sheinberg (email suppressed)
Date: Fri Aug 01 2008 - 03:10:16 PDT

hellop pip,
Do you have the dvd's by Dietmer Brehm and Gustav deutsch (Index dvd) and
the documentary film about marie menken in
your film galllery ?

----- Original Message -----
From: "Pip Chodorov" <email suppressed>
To: <email suppressed>
Sent: Friday, August 01, 2008 10:40 AM
Subject: Re: 16mm film projection speeds

>I would keep it simple.
> At least in film, you can be sure that the mechanics of the projector will
> flicker the way you intend and expect. But in video, every projector is
> different, and there so many different technologies and formats
> (LCD/DLP/interlaced/progressive) and speeds (25 for PAL, 30 for NTSC) -
> that is a very different animal and your work may get away from you.
> Especially if it is ever transfered using compression (such as MPEG which
> all DVDs require) - because compression depends on GOPs ("group of
> pictures") and by inserting black frames you are creating sequences which
> cannot be broken up into GOPs. Every frame is a new scene, and you may be
> highly disappointed by the results the encoders, and worse the decoders,
> will give you. Those algorythms were not written for us people.
> It sounds like you are involved with handicraft that would work best under
> mechanical reproduction. It is also important to note that by surrounding
> your single frames with black, you are recreating the shutter principle;
> therefore the work is inherently connected to the film medium and should
> stay true to that medium. The projector flickers by nature, you are only
> accentuating it. Video does not flicker.
> I would suggest you look up the "phi phenomenon" ("beta" for sticklers) -
> that is the perceptual trick you are working with and which determines the
> nature of the film projector. Until recently, video was produced by a
> flying spot racing across the screen line by line, odd lines first, then
> even lines. The spot constructed a space over time. A film projector does
> the opposite: each image is presented as a rapid flash, and the successive
> rapid flashes create time out of space. All these considerations, of how
> your work will be perceived by brains, are the ultimate reasons for
> choosing one technology over another.
> -Pip
> At 23:54 -0700 31/07/08, Myron Ort wrote:
>>Question: what does happen in a digital transfer when there is one frame
>>of image surrounded by black on both sides, at the 24fps speed? will the
>>digital have the same kind of impact as the film? or even close?
> __________________________________________________________________
> For info on FrameWorks, contact Pip Chodorov at <email suppressed>.

For info on FrameWorks, contact Pip Chodorov at <email suppressed>.