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JPGs flimmern bei iMovie

JPGs fibrillation in iMovie



Frage von berlinmassive:
Januar 2010

Hi All,

am a relative newcomer, as far as movie editing and I thought the issue accordingly hau mal hier rein.
About the following:
I work at my university and the Secretariat must filming under his lectures and make some more times then into the net. Actually, not at all komplizert, but very simple things, since I only with a camera of only one position usually synonymous films only one person. So little editing is required. Now, however, had a professor recently modernerweise Power Point slides to support his presentation and I want to integrate this with the video. The problem is that the films all so unnatural and unsightly flicker when I export the movie.
The settings I have tried until now have this:
Export with Quicktime
H.264 Compression
Quality 75
Pictures / sec 30
Based image Rate 5
Bitrate 1500 kbit / s
Rearrange pictures yes
Several coding mode
dimensions 640 x 360

JPGs of the Power Point are all 720 x 540

I'd bet it would help them convert to PAL 720 x 576, right?
or can someone tell me how I can export the movie otherwise circumvent the problem?
I would save very much time consuming tinkering!

The flicker is peculiar insofar as synonymous, incidentally, when the s.Anfang the JPGs are partially displayed properly, but then after a few seconds suddenly are hardly legible.

Sitting here, unfortunately, synonymous with iMovie08 firm. Does not seem really professional program for sowas be, but what else has the university did not stop.

So, I'm looking forward to your help!
Thanks in advance
Greeting
BM



Antwort von B.DeKid:

Wow, check out the photos on a scale previously Size of 640x480, or just to
480x360 if you have the 360 as a predetermined Height for your video stream.

MfG
B. DeKid



Antwort von Axel:

Images in PowerPoint are not infrequently graphics, synonymous if they are as pure bitmaps, jpegs, strong contrasts, straight lines and fine structures (letters) they have. iMovie is not a professional software, because you may be right, but you can narrow down the possible causes of your problem and resolve.

1. Imported still images are of iMovie, animated car, that is equipped with a zoom (so-called Ken Burns Effect). This is bad for graphics. It switches the s.with # + j, Timing: Placing of Pictures: Adapting to the context.

2. For Web's anyway, but especially at synonymous graphics, it is desirable that at deinterlacing too. That is suitable (after exporting the movie s.besten, full-size), the program MpegStreamclip. MpegStreamclip can make the deinterlacing in one go with the export of N's Web.

3. This, of course iMovie synonymous. The export option "YouTube" is nothing more than an optimized Web export demand in several sizes, of course, synonymous deinterlaced.









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