Question on Whether to Check Frame Blending & Use Previews in AME

Hi, When I export a project for transcoding, there are 3 boxes at the bottom of the menu selctions. One is "Use Maximum quality." I ckeck that. I am unsure as to whether I should check, "Use Previews," and of "Use Frame Blending?" I am encoding Mpeg 2, 1080p, Max quality, 80 frame rate.
Thanka Roman

"Use Previews"
No. That's only if you want to use rendered previews as the source for your encodes. About 99.99% of the time, you don't want that; it will result in lower quality exports, as you're using "precooked" files.
"Use Frame Blending?"
Depends. This is a global switch that you may or may not want to use when your export has a different frame rate that your source sequence/footage. It forces frame interpolation (blending) using two or more discrete frames to create new frames. The exact times you'd want this vary depending on your destination and preferred output look.
The help docs say this about Frame Blending:
Select Use Frame Blending to create smoother motion
by blending adjacent frames when output frame rate doesn’t match
input frame rate.
Smoother motion, yes. Blurry video, sometimes.

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Hi all,
Here again, once again stumped with Premiere's unwillingness to work properly/consistently and unable to find any other forum threads about my problem.
What's going on is that the clip option "Frame Blend" is not seeming to have any effect on my render in CS4. In fact, when I take on and off, the state of the render remains the same. In other words, if I've rendered and it's green, I turn off frame blend, and it stays green. Turn back on, and it stays green. It's pretty obvious it's just broken-disconnected from affecting my clips, as it renders like a charm, quickly, and in the amount of same time whether or not Frame Blend is checked or not--and the playback of the render is clearly frame to frame. For example, if I slow it down to like 10% it's, step.... step... step... or about 3 frames a second.
The project is SD, the footage is HDV captured in Ppro as mpeg, it's on a OS X 10.5.6 .
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I'm fully up to date, that was the first thing I tried to no avail. I was surprised that updating didn't fix it, I was expecting it to.
SFL, I had searched the forums and came up with nothing, hence my post beginning with 'unable to find any other forum threads about my problem'.
I'll mention again that a) the clips that aren't working have time remapping applied or constant time speed changes. For example, one clip variables from anywhere from 10% to a 80% or so speed change, and many of the clips have been stretched with the stretch rate tool to fit gaps. I wouldn't be able to tell if frame blending was working or not if the speed wasn't changed and still at 100%.
And b) frame blending is working fine in CS3. More details on this are above in my earlier posts, but basically the exact same sequence works in CS3 but doesn't work in CS4. So the circumstances haven't changed between it working and not working.
My vote is some sort of translation bug when updating a CS3 project to CS4. It also messed up a variety of other things (mentioned above) that made me decide to just go back to CS3 for the project and deal with the random export crashing.
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Slow-mo frame blending question

I've made a movie consisting entirely of slowed-down clips (all 40% or 50% speed), and I'm trying to decide whether to leave the "frame blending" option checked. At first I unchecked it because in some clips with a lot of fast movement, it creates a weird blurry ghost-ish effect that I really don't like; I'd much rather have it look a bit choppy, in fact that kind of works with the movie.
The problem is when I burn a DVD and try to play it on a TV screen, there's a flickering strobe-like effect, especially on those clips with fast movement. I'm wondering if applying a flicker filter or something like that would solve the problem, or is frame blending really going to be necessary for it to play properly on a TV?
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Better off frame blending with slomoed material.

Is it possible to partially export a video using frame blending?

For example, I have a video intro that, after being uploaded and processed on YouTube, looks very choppy. However, if I export it using frame blending, it looks perfectly fine. The down side is that the rest of the video looks somewhat more blurry, as frame blending tends to do. I like how fluid the intro is when frame blended, but I perfer the rest of the video when it's just exported normally. I found an option called frame blend under the clip's video options, making me think that I could fix my problem, but it didn't seem like it did anything at all when I exported it. Is what I'm trying to achieve actually possible, or will I just have to deal with it, one way or the other?

1. I export in H.264 with the preset HDTV 720p 29.97 fps High Quality. I would use the YouTube preset, but it compresses the audio to a point where it sounds terrible. I'm sure there's a way to fix this, but I don't know enough about it to do so myself.
2. My sequence also runs at 29.97 fps.
3. The intro consists of several game capture clips all .avi at what I think is 29 fps. Many of the clips are sped up to at least 200%.

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How to change the speed of a clip without frame blending?

Hi,
I changed the speed of a clip to 200%. I expected Premiere to drop every second frame. Instead, there is some frame blending making my progressive footage interlaced. For some reason, the frame blending cannot be disabled by using the Use Frame Blending option.
How can I make Premiere simply dropping every 2nd frame?
Thanks in advance!

In my test, all I need do was right click the clip and make sure Frame Blend was not checked.

Frame Blending is Causing Stuttering

I've actually been having this problem for about a half year now (ever since Apple released a past update to Final Cut Pro) and frame blending started behaving weird after that. The bummer part is that all the NEW videos I've made after the update, using frame blending, work great and blend beautifully. But all the videos that I started working on before the update stutter miserably.
The biggest problem is that I have one project in particular (a 6 minute music video) that literally took me about a month to make and it's FULL of slow-mo shots with frame blending and it would have taken me FOREVER to re-capture the footage and start a new project with the updated FCP architecture.
I feel like there has to be a really simple solution, like a field is off or the FPS is off or some little thing that got messed up in the update that I just need to switch back but I haven't the foggiest what it is and I haven't been able to track down any good info on google about this yet.
My "solution" for now (if you want to call it that) is to just take Frame Blending off of all 135 slo-mo shots (which makes it look WAY less smooth, but it's better than constant stuttering). I never posted anything about this in the past because I was always expecting apple to finally release a fix but nothing has ever come out.
As a side note, the stuttering only happens once you render the effect. It looks wonderful in the preview. But in order to export it in any way shape or form (whether to Motion or as a video file), FCP needs to render it - at which point it goes wacky.
Does anyone know any things I could try? Like maybe a way to adjust the source file that all the clips are cut from? (all the clips come from one big DV file)
Any ideas would be welcome.

Okay so here's what happened. First I tried the de-interlacing filter... but no luck. So then I tried the Field Shift Filter in the Video Filters menu, in both +1 and -1 modes... but no luck. Then I thought I'd try re-ripping the .dv file from the clients original DVD (the only reason I never did this in the past is because it originally worked when I made the video. It was only after an apple update that I remembered it no longer working correctly.)
Not really thinking it would make a difference, but following your advice none the less, I recaptured the video and... it WORKED! 6 months it's been doing this, and to think all I had to do was re-capture. One weird thing it's doing now though is the upper letterbox border is "fluttering" at around 30 times a second. My guess is that the letterbox is slightly higher on one field then the other, but that I can just fix with a little minor cropping of the top line of pixils. At least the slow-mo's are nice and smooth again.
That Hobbes face is very fitting... as I feel like that's the face he'd be giving me right now.
Thanks for giving me all the great ideas Patrick, YOU ROCK!

Frame Blending

I have two questions. First, I am about to export a film with some slow motion in it. Will it be detrimental if I frame blend the entire film upon export or should I go ahead. If not, I could export the slow motion parts with frame blending and put them back in. Just wondering what's best.
The other question relates more to pixel blending. We have used the de-noiser very heavily on some shots causing a blurry static flutter in them. I was hoping frame blending might help that, but it appears to me it doesn't apply to anything but time adjustment. Any ideas on how to alleviate that flutter?

which de-noiser effect are you using? if its causing a side effect, then it would be better to use another de-noiser, rather than try to fix a problem it creates.
premiere has no real slow motion effect. it will either duplicate frames or frame blend. neither are good options for todays fast refresh rate monitors. if you still want to use frame blend, you can select the slow-mo clips in the timeline and right click to turn on frame blend just for those. if you have access to after effects you can try the one in there, or look at third party plugins like twixtor. if you shot high fps like 60, you can then slow mo that footage and premiere will have frames to work with, and wont need frame blend.

Frame blending makes rendered version really jerky? Why?

I have been experimenting with different rendering options and with frame blending on, it comes out really jerky. It seems to just ruin any project. Why on earth would anyone want to use it?
Motion blur makes it look much better and smoother but takes hours to render. I thought frame blending was supposed to be a quicker option but still smoothed things out a bit rather than simply make it worse.
Maybe there is something else that needs to be done before it looks good? Any clues anyone?

No, not on a clip. This project only has stills in it.
I mean one of the check items in render menu. It just makes the rendered output look terrible. What is it there for? When does it do something useful?

"Frame Blending" while reversing the clip..?

Do I suppose to use "Frame Blending" while reversing the clip..? When going to check the "Reverse" in order to reverse direction of a movement of the clip - it is already checked by default... B U T - when I UNchecked it the quality of the footage with the reversed movement was somehow more clear.. (this is before rendering - just watching in the Viewer).
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Hi all, and thanks for trying and commenting my plugins.
marekn,
unfortunately there are 2 potential limits in the use of both my Time Remap plugin and the corresponding FCP built-in Time Remap Function:
a. +only the speed of the video portion+ of the clip is modified, and there is no way I know to change speed of the corresponding audio accordingly;
b. the +clip length does not adapt to the new speed+ (longer for a lower speed, shorter for a higher speed - as in the Speed command).
If the average speed of the clip after applying the plugin is lower than its original speed a number of its last frames will be cut off the clip; in the opposite case instead the last frames of the clip will be a freeze frame of the last frame in the original clip.
Only the Speed command in both FCE and FCP changes speed of the audio and adapts the clip length: but Speed applies only a constant speed for the whole clip (not variable as Time Remap). Note that also Fit to Fill changes the audio speed and the clip length, because it basically applies a constant Speed change...
So, marekn, I'm afraid then there is no simple solution to your problem.
If you want the audio to keep in sync with the video while changing speed you have to unlink audio from video, apply Time Remap to the video and fix the audio by splitting it onto sections with different constant speeds, using the Speed command only applied to audio.
About the length of the clip you can use the workaround described in the last Hint (d.) in the Time Remap instructions: it basically suggests to apply Time Remap to a +nested sequence+ containing your clip followed by a stub: the new nested sequence should be long enough to contain the new 100%-50%-100% modified clip. In practice you could make it even longer and than cut off the needless frames after applying the plugin.
I hope this helps.
Piero

Deselecting frame blending for an entire project

I figured I would ask here before I started and extremly lengthy process.
I have a full hour movie in HD and many clips in it have been slowed down with frame blending. Anyway I just word back from my broadcast people saying that the frame blending is causing wierd horizontal distortion. So I need to turn off the frame blending and remaster my project.
...my question is...If i turn off frameblending by selecting the entire sequence in my master timeline and deselecting frameblending....will that work instead off the mind numbing task of going into the sequences individually and turning off frame blending invidually on...every....single....clip?
Thanks for your help

Guys, I just did a test on this though not in HD my guess is it will work the same. And this assumes your speeds are all the same. Simply highlight a clip hit command-J and uncheck the frame blending. Now that you have it on one clip then highlight the rest of your clips. Control-click and select paste attibutes. Check the "speed" box click okay and you will have lost all the frame blending on those clips.

Question on Whether to Check Frame Blending & Use Previews in AME

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