Re: Video unsharp - why? Premier 1.5


"Larry Johnson" <webmaster@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
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"Peter Winter" <peterwinter@xxxxxxxxxxx> wrote in message
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"PTravel" <ptravel@xxxxxxxxxxxxxxxxxx> wrote in message
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"Peter Winter" <peterwinter@xxxxxxxxxxx> wrote in message
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"Richard Crowley" <rcrowley@xxxxxxxxx> wrote in message
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"Peter Winter" wrote ...
For the Internet I am creating a 20min Video based on a simple
Powerpoint Slideshow with spoken Text.

How did I do it? Simple:
I saved the Slids as small .jpg's (with 400x300 px (as this should
play in a window with about 350x255 px) build my movie in Premier
Pro1.5 importing the .jpg's into Premier and saved this as .wmv!
The result is unsharpness in the slides specially visible where text
is used!

WHY? Certainly there is a very well explainable reason for this

I would export the PPT sildes at the native resolution of the
video project (740x480 for NTSC, for example) in order to
avoid additional upscale/downscale conversion artifacts.

Sorry to ask again but as complete nebie to this:
Would that mean - as I do export the video not to NTSC but via Adobe
Media Encoder as .wmv
(Windows Media Video 8 for local Area Network (256 Kbps) with a Rame
Width/Height of 320/240 pixels) that I should export the .jps as
exectly this size 320/240 ?

When you start a new project, Premiere asks you for format. More than
likely you're selecting the default, i.e. 720 x 480 NTSC. When your
jpegs are imported they are scaled up to this resolution. When you
export to wmv they are scaled down. It's the multiple scaling that is
causing the fuzziness. As Richard suggested, export the Power Point
slides to 720 x 480 -- that way they won't be scaled up when you edit
them in Premiere.

OK Thanks for your answer but:
This means - and as I did not use Default NTSC but DV-PAL Standard 32KHZ
that the resolution is 720x576 right?

Peter


It should not matter what resolution you begin with.

It does matter if the resolution is less than the project, which is what the
OP indicated.


As long as you save your JPG files with as little compression as possible
at whatever resolution you want all should be fine.

Yes, but . . .

Resolution and compression are two different factors, each of which can
cause the fuzziness of which the OP complained. He could save at no
compression, but if the resolution is less than the project resolution,
Premiere will have to resize by extrapolating.


Begin a Premiere project and use matching resolutions for your JPG files.
If your JPG files are 400x300 begin a new Premiere project.

Choose the Custom Settings tab.
Under General set the Editing Mode to Video for Windows.
Set the Timecode to whatever frames make you happy...but for PAL set it at
25. Note: when you output you can change the settings for frame rate.
Under Video/Frame Size insert 400x300
Pixel Aspect select Square.
In Fields choose No Fields. Display Format choose Frames.
Audio can be whatever you want.

Now, under Video Rendering choose the following:
Compressor - None
Color Depth - Millions

Set up your project the way you want it to look. When it comes time to
output the project use the highest standard possible for playback.
Generally this will be 1024 download settings. The less compression you
add the better. Try these settings and I am sure you will see less
muddling of the image than before.

There is really no merit to beginning with larger images. The reason you
have found so much problem with fuzzy images is due to compression, not
image size. Anytime you begin with an image the best route is to maintain
the closest approximation to that original as possible. Thus, going
one-to-one in image size with very little compression will yield the best
image. I will be more than happy to create a demo of this method for you
just to show you how good the outcome can be.








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