Archived from groups: rec.video.desktop (More info?)

Anything's possible Rodney but your Quicktime solution sounds like a make
work project with possible down-the-road problems.
By deleting every X frame you're throwing away data.

iMovie is an entry level package designed for the non-professional user.
If you're limited to a Mac, use Final Cut Pro. If you have access to an XP
machine, use Premiere Pro.
I believe Adobe makes a fully functional trial version of Premiere available
on it's website.

The latter at least has the ability to rate stretch a clip with a precision
of 1/100th of a percent or by specifying a new duration. You can get exactly
the result you want with no risk of creating odd problems down the road with
a piece of footage.

C.


<rodney@mont-alto.com> wrote in message
news:1110906653.292491.220290@f14g2000cwb.googlegroups.com...
>I work on videos of silent films, and I'm curious about modifying the
> speed -- keeping the video at 30 fps but changing how fast the scenes
> move. Audio, of course, is not an issue. Most films (24 fps) are
> transfered to video (30 fps) by doubling every fourth frame, but since
> projection speed was not standard in the silent era, some films work
> better at different speeds. I'm working on an iMac G5.
>
> The new iMovie HD can speed up or slow down film, but its slider is not
> labeled so you don't know what you're doing. A movement of two pixels
> towards "faster" seems to delete every eighth frame. I'd like something
> more precise. Also, since some frames are already doubled, I'd like to
> be able to delete only frames that are already doubled to keep the
> motion as smooth as possible.
>
> Would it be possible to use QuickTime Pro -- with an AppleScript -- to,
> say, delete every frame that falls at 13 frames past the second? Or to
> double that frame? Or to start at a particular frame and delete every
> nth frame after that?
>
> Thanks for any thoughts on this...
>
> Rodney Sauer
> Mont Alto Motion Picture Orchestra
> www.mont-alto.com
>

Archived from groups: rec.video.desktop (More info?)

Thanks for the response. I don't mind throwing away some data -- if
it's the duplicate frames. In theory I could always re-duplicate them.

I'm not limited to a Mac out of philosophy but by availability -- my
only Windows machine here is too old for video work. I'll take a look
at Final Cut.