Elongated-square pixels

I converted some video from a DVD using MPEG Streamclip, to be played on Public Access, every-thing's fine. But then when I run the video through FCP to make a new video, FCP elongates the pixels. Making them wider, it's very noticeable, than the original. I've tried everything I know and can't get it to stop doing that. Any ideas?

I did the 720x480 and everything was pushed in. I'm certain the original video is 853x480, when I process that they match perfectly. It's only when I process it through FCP the pixels elongate. What I did try and it matches pretty well is process at 768x480, then when FCP elongates the pixels it looks close to the original, but I feel that's a 'back-door cheat'. There has to be some way to export the quicktime video and keep the pixels square, but they keep elongating and I don't know how to stop that.

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Ah, but it is not coming from a camera. I am creating it from images. In fact the main purpose of creating this video is
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I need to convert my uncompressed SD 10 bit 4:2:2 video for use on the internet. Specifically, a client wants the resulting QT or MP4 file to be Video Codec: H.264, square pixels, size 1280x720. I feel as though I've tried every possible way in FCP exporting through QT conversion, but everything looks terrible with artifacts. I need help, I know it is possible to make professional SD video look good on the internet!
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How do I export in avi with square pixels?

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In the 'Video' tab of export settings scroll down until you find 'Aspect' field:

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Hi:
Thanks so much for your response.
my sequence settings are
see attached
My export settings
see attached

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I'm working with PNG sequenced images from Flash. I'm compositing in AE and I export an QT movie in "Animation" compression, 100% quality. The exported movie is as 'clean' as a Flash swf. This becomes my source movie for Premiere CS3.
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Jim,
Thank you for responding to my post. My question is can I edit and output in Non-DV format (non-interlaced video) with CS3?
I mentioned using Flash because I wanted it to be known I was starting with square pixel art. My final goal is to make DVD movie. I use Premiere to edit the scenes. I work in animation, some traditional hand drawn, painted in Photoshop, and some Flash generated. My end results needs to be a high resolution QT movie.
I've been using Premiere 5.1 and for years (Premiere 4 before that). I would like use Premiere CS3, but I need to export without the interlaced video. Can this be done in Premiere CS3?
[URL=http://imageshack.us][IMG]http://img155.imageshack.us/img155/2331/interlacevsnoninter lacehc8.png[/IMG][/URL]

"Simple" Project - Can't figure out Square Pixels, Codecs, etc.

Just bought FCE thinking that making an iPhone demo video would be easier and have spent hours so far unable to get past the first (basic?) step.
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My issues are not so much with functionality and learning such functionality (I think it's all there if you can find it) but with the User Interface.
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I expected that when I added a motion keyframe in the Canvas, that the keyframes would be instantly marked in the timeline and in the viewer for all items (to coordinate concurrent scaling/effects).
When you look at properties, the drop downs don't even show the currently selected property but just show the top one in the list (bad, bad programming and UI)
The wireframe being called wireframe instead of 'handles' is bad.
When scaling a clip or picture with a wireframe in Canvas, using the Shift key usually constrains the scaling to proportional sizes in EVERY graphics program I have ever used, except for FCE where using the shift key while dragging lets you distort the graphic/clip. No attention to common standards for object manipulation. Bad.
The lack of the ability to specify precise adjustments (like to the pixel) in the Canvas (or anywhere) is bad. When I was scaling a clip in the canvas, I could not see behind the colored wireframe and had to rely on trial and error so see if my scaled clip fit perfectly. You could not even zoom to anything but the presets. Terrible.
I'll stop.
Video pros should be using FC Studio with huge learning curves, but at $199, FCE will of course be used by folks who want a step up from iMovie. The focus on "video" instead of web "movies" with pizazz is an huge oversight in the documentation.

AE CS3 square pixel export to widescreen pixel PAL M2V (not happening)

I created a PAL widescreen square pixel DVD menu videobackground animation in After Effects (1024 x 576px). I exported it as PAL DV WIDESCREEN which streches the size to 720 x 576. I would assume this results in a PAL DV WIDESCREEN PIXEL M2V file with the size of 720 x 576, the standard SD DVD widescreen movie, right? BUT, instead, I get a 720 x 576 square pixel movie, at least Adobe Encore interprets it that way. So, why?
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Change the Interpretation in Encore DVD, and then file a bug report at:
i http://adobe.com/go/wish/

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I don't need to stay in DV, going to ProRes or H.264 would be fine if necessary.
Thanks!
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Sorry, was there a reference to DV-anamorphic?
If you are looking to export to a DV-anamorphic format select NTSC 720 x 480 16:9
If your sequence is HD then output H.264 and select the appropriate Size: Dimensions for the project perhaps you need the HD 1440 x 1080 16:9 preset. If you force the image size (custom) you will want to Preserve aspect ratio using: Fit within dimensions.

Whats the math behind converting from square pixels to non-square...?

Does anyone know the math behind resizing a video from square pixel to non-square?
Say if I have a 720x480 4:3 video and I render it out as square pixels. So then I need to resize it down to non-square so that it will no longer be stretched....I know I can just use premiere or quicktime to scale it properly for me but what is the math behind it? I'll admit im no mathematician, all i know is that square pixels = 1 and dv = .9, how you go from there is beyond me.
Reason I ask is because I have a 800x600 video in square pixels and just want to know how in the world it makes sense that you change it to 755x600 and the stretch is gone. How does do you get to that number?
Many thanks in advance!

I don't have CS4, and have only been scanning the CS4 forums; so there may be better links regarding this in this forum. CS4 changed the par to a more "correct" option. It is not .9 now but .91. (See Dan's little "about" before the .9.) And when you are dealing with 800x600, there may be other issues.
I like the AE/Meyers explanations of all this (so also see the regular help for Premiere):
http://help.adobe.com/en_US/AfterEffects/9.0/WS3878526689cb91655866c1103906c6dea-7f3aa.htm l
There are 2 pdf article links on that page.
Also see the free Meyers video on Lynda.com
http://www.lynda.com/home/Player.aspx?lpk4=40550
EDIT: I missed the more relevant thing in Dan's: see the 10/11 as the multiplier rather than .9? 10/11 is the "new" .909090 = .91.
Message was edited by: Stan Jones

Save jpg with non square pixels

How do I save as jpg and retain the non square pixels?
Thank You,
Tom

t_Mc wrote:
You are never going to actually see a non-square pixel JPG image on your square pixel computer monitor.
Well, I just showed you one.
No you did not. Our displays only show square pixels.
t_Mc wrote:
WHY?
Are you yelling?
Where will this image appear? Why do you need PAR if it looks "perfect" on the web without it? What is your output intent? 800x533 is not a video dimension.
That is not important.
I asked WHY because you started this discussion with extreme ambiguity. Others have typed many words to try to help you but you have helped no one in return by explaining yourself and what you are trying to do.
t_Mc wrote:
Eh... you (and every other photographer with javascript gimmicks) may want to re-evaluate how you post and "protect" images. PAR is not much of a step up from what you have.
You making RUDE assumptions that are ridiculous This is only the second question I have asked. Thanks for the help lady!
If I wanted to be rude, I would let you continue to waste your time on pointless techniques that really do not protect your images.
You can prevent others from making assumptions by...
fully explaining what you are trying to do!
EDIT: oy, kids!

Exporting square pixels to widescreen in any CS version

Hi I have both CS4 and CS% and a webcam video that is 864 x 480 in resolution and has a 1.0 square pixel aspect ratio.
The video quality is amazing and what I am trying to do is export it so I can burn it onto DVD, hence export as 720x576 in PAL DV Widescreen 1.4587 pixel aspect ratio. The problem is it seems to loose a lot of picture quality when I do so, I know I am converting square pixels to widescreen 1.4587 ones and also changing the resolution but is there any better way around this? I tried with PAL DV codec compression and No codec compression, but it always exports to a softer image which doesn't look as sharp as the original, I know I am converting from 864 to 720, but I wouldn't expect it to loose so much image quality.
I suspect it is something to do with the pixel aspect ratio conversion, is there any better way to do this? I would like to keep it widescreen if possible as 864x480 is almost widescreen ratios.
Thanks

I can't answer directly, since I don't work with that size video, but I **think** your PAR may be off
You might search the forum, or use Google, to find out the PAR of a widescreen DVD
But, going from a webcam with an odd size to a DVD may just not give you what you want

Resizing an 1920x1080(square pixel) 16:9 footage to 720x576 16:9

Dear all,
does anyone know how to create an H.264 (in an mp4 wrapper) video using compressor that will allow me to resize an uncompressed 1920x1080i (square pixel) footage to 720x576, whilst still retaining the 16:9 aspect ratio and not needing to use padding.
Many Thanks

Very easy.
Load up the PAL 16:9, in the Presets window, there's a Plus Sign menu, choose QuickTime Movie from it. You're making a custom preset (because Apple for some stuipd reason left out all the presets in 4 that existed in 4.5).
For Video, click Settings button. Set compression type to DV PAL, aspect ratio to 4:3, OK.
Go to the Geometry tab, and set Dimensions for 720x576, pixel aspect to PAL CCIR 601, which should be set automatically.
Go above that to Source Inset (Cropping), and put in how many pixels each side needs to be cropped by.
Here's a neat trick. In the top right of the Preview window, you can switch between the original and the compression target versions. Left button is original, look at the bottom left of screen, look at it's width, write it down. Switch to compression target version, and it should say 720, minus what the original is, devide by two, that's what you should crop by.

NTSC- CCIR 601 vs. Square Pixels

Hi,
I've digitized hours of 24p advanced footage shot with my DVX-100, and noticed between tapes that the aspect ratio goes from square to letterboxed. My editor notified me that the "Pixel Aspect" in some shots are "NTSC- CCIR 601" and other shots are "Square".
We are currently using Offline RT for the edit- I first captured with "DV NTSC 48 kHz Advanced (2:3:3:2) Pulldown Removal" then downconverted to Offline RT with Media Manager as I could not capture Advanced Pulldown removal 24p Offline RT footage directly.
I would appreciate any advice to prevent this anomaly when we go to the online full rez DV version. I believe it is a FCP digitizing issue or Offline RT issue and not due to a camera problem.
Any info much appreciated.
Alexander
Specs:
Powerbook G4
FCP HD 4.5
Offline RT (23.98 preset)
DVX-100- 24p Advanced Mode (F6)

Did you ever find an answer on this one? I have the same issue and was curious to find out why some download as Square Pixels and others not.
In anycase you can fix it, go to item properties for the clip, don't have the screen in front of me right now but the first tab (think it is there), right click over the Square Pixel Aspect setting and it should give you a drop down of other choices. Then the clip will display correctly. I found that quite by accident. It works for a number of the other options in the Item properties window.

Elongated-square pixels

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