Vincent Rosati
Forum Replies Created
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The format you are trying to use for editing is a delivery format, not an editing format.
Any codec/format that uses temporal compression is not ideal for editing.Try decompressing, or recompressing to an intermediate codec, prior to import.
Search the forum or archives for ‘decompress’ or ‘intermediate codec’.
Vince
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I realize this is a late response. Anyway, here is link to some info that I found useful in understanding video specs:
https://lipas.uwasa.fi/~f76998/video/To my understanding, Standard definition like DV was created as a bridge between Analog and Digital.
Analog television was a D1 format, 720×486. DV is 720×480. The 6 missing vertical lines allow DV’s dimensions to be divisible by 16, which is the block size of common compression systems. And it removes top and bottom pixel rows, which are typically the most degraded lines in an analog signal.640×480 is a square pixel frame size for Full Screen DV video.
I think DVD specifications allow for 640×480, it wouldn’t be pillarboxed on a standard full screen display, so long as the DVD is encoded properly, and the playback unit hasn’t had a user controlled setting that would interfere with it.A lot of confusion comes from there being a lot of incomplete information out there, and many times number are rounded so you are not actually working with the correct numbers. You have to dig real deep to find the type of numbers you are looking for.
In DV, both Full Screen and Widescreen are 720×480.
Full Screen 4:3 has a Pixel Aspect Ratio of 0.9 (approximate!, It’s closer to 0.89), so 720×0.89=640 (rounded to the nearest integer divisible by 16). So, Full Screen 720×480, when displayed properly, appears as 640×480.
Widescreen 16:9 has a PAR of 1.2. So 720×1.2=864, which is the width that widescreen appears in when it is displayed properly.It’s a jungle out there.
Vince
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You can apply effects to a sequence, and they will affect to all clips inside it. As opposed to applying an effect to every clip within a sequence.
Maybe you might want to work with a particular series of edits as if it were a single clip.
If you are doing a feature length project and you have over 1,000 clips, it can help to break the project into scenes by using different sequences.
I’m sure there are more reasons.
Vince
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It seems to work. The downloaded file was a zipped pdf, it opened fine.
Vince
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In your second video, you showed exactly how to move the CTI to the exact keyframe marker, you click either the left or right arrow.
This is the fastest way to access existing keyframes.“when I make adjustments on a keyframe in the Effect Controls, it either places a new key on the left or right of the one I want to edit”
You also show the reason for this, it’s because you’re not positioned on the key, so a new one is added at the new position. Again, just use the arrows, not the scrubber.Clicking the stopwatch is a fine way of adding an initial keyframe.
I don’t really see an issue, here. It’s just a matter of getting used to the behaviors of Premiere.
Vince
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Maybe this will work…
https://www.newinelabs.com/rosati/tutorials/Illustrator_pathfinder_divide.aiDuplicate your object, and place a shape underneath.
Select only the radial patterns and slightly oversize. View in Outline Mode (Ctrl+Y) to see what I mean.
Select everyhing, then Pathfinder/Divide. If you didn’t oversize the radial pattern, you may not get a clean division.
Now you have an object for each shape, that can be filled individually. Either Ungroup, or use the Direct or Group Selection tool.
Vince
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Thanks for pointing me in the right direction! 🙂
Vince
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Check this thread and see if it does anything for you…
https://forums.creativecow.net/thread/205/872579#872580Vince
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Doing compression tests can be time consuming.
I recommend you create a new sequence that will be 1 minute long. Place your final sequence in it (nest it) and clip it down, selecting portions with high motion, transitions, cuts, titles, etc – stuff that doesn’t compress well.
Now you can run a bunch of tests, and not have to wait 12 hours between attempts. Keep notes on all of the settings you are using, even for the failures. Include the compression settings, frame size, frame rate, etc.Enabling 2-Pass & VBR will give you the best result. However, note that using VBR will prevent you from being able to do exact calculations regarding program length and final file size.
What compression to use depends on what you want to do with the video. Archive, web, kiosk, broadcast, etc.
Just a few things to think about.
Vince
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Working with a larger image will make all of the difference. Just enable preview in the trace options, and mess with the numbers in the trace settings.
Vince
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