How can I properly export an image with corrected pixel aspect ratio?

Hi, I have a bunch of .png screenshots from old MS-DOS era software that I wish to convert to a 0,8 pixel aspect ratio to simulate the stretch from old CRT monitors.
I can easily preview it by enabling the pixel aspect ratio correction under the "View" menu, and it looks great. But if I try to "save as" the file as a .png or .gif, it looks blurry and horrible:
Any hints on how to do this?

Ok, thanks letting me know. Only last thought is a screen cap of image 2 (that I believe you want) saved to png.
There's a program called Greenshot that would use the Print screen key and allow you to marquee select and save the shot as a png file. Greenshot - a free and open source screenshot tool for productivity
That's for Windows, Cmd-Shift-4 on a Mac does the same thing.
I know it is a pain if you have a hundred of these, but I suppose if you are not in a big hurry you can get it all fixed up.
Gene

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Media Encoder Greater that 7.0 does not recongnise SD footage with correct pixel aspect ratio

Hello,
I logged this bug with Adobe last year but even through the latest releases the bug still remains and is a real issue for anyone editing in SD via Premiere Pro CC.
Effectvely when you create a PAL sequence within Premiere Pro CC using SD 720x576 pixels (4:3) you have 2 options to export, either Queue or Export. If you export the footage directly from the PP application to MPEG2 SD then the resulting files are perfect, however if you use the queue option and send it to Media Encoder then the resulting files are incorrectly interpreted and the resulting file looks squashed. I suspect the Media Encoder is defaulting to Square pixels and not 1.09xx which is the default for PAL SD 4:3
The issue only started on Media Encoder version 7.1 but I also checked 7.2 and this still has the bug.
I can't believe this is not effecting a lot of people and its taking so long to resolve. Adobe at the time acknowledged the issue but did not provide a time scale to fix.
If anyone has any words of wisdom I would love to hear from you. Maybe I am missing a simple workaround ?? Which could be to just export and NOT queue, however because I use the batch function a lot this is not always viable.
thanks
Steve

Hi Tom,
thanks for the quick response. I'll attach two screenshots -- one from PP and one from AME, both showing the same test chart, but distorted in AME.
Basically the given parameters are:
Sequence is D1/DV PAL, 720x576, PAR 1.0940, framerate 25
Export settings are: MXF OP1a, resolution + framerate same as sequence, IMX 50 PAL.
If you still require the preset file, I'll send that separately.
all the best
Daniel

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I want to export some 16x9 sequences (and others) at different resolutions with different pixel aspect ratios.
I have tried exporting as a Quicktime movie, but I get a codec error (with my required H.264 & AAC audio).
I have tried exporting using Quicktime conversion, but there is nowhere to enter a custom pixel aspect ratio (if they added that as an option in “preserve aspect ratio”, that would be nice).
I have tried exporting using Compressor, but it doesn't seem to accept my setting of pixel aspect ratio (HDV 1080i 16:9)—at least when I play back the video it is not using wide pixels.
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I would like to have arbitrary control of the pixel frame size on export as well as arbitrary control of the pixel aspect ratio. However, in this case I specificially want to export some video in a 4:3 pixel arrangement (such as 360x270) but have its display be 16:9 via non-square (i.e. 4:3) pixel aspect ratio.
In that sense, yes, I want to have something play back at 16:9, but at least some of my attempts to export video are squished at 4:3.
While it may be possible to adjust the display in the Quicktime Player, the AVC video syntax as specified by ISO and MPEG standards bodies allow the specification of the pixel aspect ratio (actually sample aspect ratio in the standard) within the bitstream, and when it is there, the latest versions of Quicktime will (from my experience) render the video with the correct aspect ratio.

How can I properly export video w/ bars to Rec709 (16-235 in 8-bit) from Premiere's RGB (0-255)?

I have hit some real frustrations in working with Premiere to meet broadcast Rec709 standards for DVD & Blu-Ray. Avid Symphony works in a Rec709 space and clearly operates with its video signal from 16-235 (which matches IRE 7.5 to 100), but Premiere doesn't seem to have this understanding in its programming and engineering. Here are my issues:
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4) Speaking of importing the bars and footage. To continue the example of the Sony EX-350 - it imports the bars automatically by putting the black values at 0 IRE, not 7.5 IRE.
If Adobe wants industry professionals to take Premiere seriously, it needs to open up these options and clearly present what happens to tonal values in the image. It's very frustrating to figure out all of these problems and create cockamamy work-arounds.
http://www.avsforum.com/avs-vb/showthread.php?t=1090642
http://www.glennchan.info/articles/technical/setup/75IREsetup.html

Steve,
Thanks for your reply! However, I hope you don't take my response the wrong way, but, with no meaning of disrespect to you personally, the notion that curves are the wrong tool for numeric adjustments extremely infuriates me and displays a real lack of understanding of why a colorist or cinematographer such as myself would want to use curves in the first place.
First, any LUT generation program or coloring program, such as Apple Color, gives complete access to numerical control to give precise, repeatable changes that you cannot get with the drag of a mouse. Photoshop, Avid Symphony, etc. all have curves tools with the ability to manually enter points.
Second, on a user level, there should be no wrong tool for numeric adjustments, especially curves - they are the most precise means to obtain a specific contrast response. Levels or RGB corrector will only give gamma, pedestal, and gain operations, but curves gives every possible shape of a contrast response in between. If I wanted to create a very specific S-curve, I must use the curves tool to do so.
Third, the question at hand is not Premiere Pro's ability to process natively in Rec709 with signal from 16-235 - Premiere's native ability to process all types of video input is the sole reason why I've switched to it as a platform. 'Sub-black values are not necessarily clamped'?! How then can I export a TIFF, for example, of Premiere's bars, with the sub-black values left intact? How do I even access these sub-black values, when all footage clips below 0 IRE? The primary question is, how does Premiere handle and export these IRE values with respect to digital values, whether they are 8-bit, 10-bit, 12-bit, etc.?
Adobe's video workflow lacks a concise, cohesive FAQ or explanation of its numerical signal chain. At least, I have missed it and can't find it anywhere. If I want to properly color grade footage with a proper final output in mind, I need to know my end goals to take the proper intermediary steps.
SteveHoeg wrote:
Hey Tim - Premiere Pro can process natively in Rec709 with signal from 16-235 you do not need special adjustments. Curves are the wrong tool for numeric adjustments, try Levels or RGB Corrector. Sub black values are not necessarily clamped on export. --sh

Correcting pixel aspect ratio with Publish settings

Same old, I know. I'm designing and producing a
Flash site using a Mac, but it will be viewed on a large
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In Premiere, you can right click on your footage in the Project Bin. From the context menu, choose Modify then Interpret Footage. In that dialog box, you can tell it to conform the pixel aspect ratio to 16:9.

How can I upload a PDF image with out it going grainy

i am trying to write an adobe form and I need to have the names of the authors at the bottom of the page in columns, It seems impossible to do this by entering the text into the box on the form as the spacing doesn't work. I have made a PDF image of what I want to write but each time I upload it it becomes grainy. If I save it as a PNG or TIFF it is still grainy - even if I reduce the file size to the required number of pixels - please help me!

Please share your form with me ([email protected]) as a co-author. Also send me the image you are trying to add to you form.
Instructions on how to share : http://forums.adobe.com/docs/DOC-2462
I'll see if I can help you
Gen

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No I am not aware. I have now googled thinklink, joined their site and found that they do not create images. Only Javascript.
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How can I import .mov footage with original pixel aspect ratio?

So the footage is 720x480 Square Pixels (1.0), 29.97 fps, progressive .mov but when I import it into Premiere Pro, they come up compressed as D1/DV NTSC (0.9091) automatically. When I try to Interpret Footage, it simply adds black bars. Why can't it just import correctly? When I preview the original footage, it plays back correctly but the preview inside Premiere Pro shows the distorted version... Please and thank you!!!

The suggestion about "new item" above was short. Here's the "full" version. In the Project Panel, go to the lower right corner ... click on the "New Item" Icon ... as shown here:
The first item on the pop-up menu that will appear should be "Sequence" ... click on it and just say ok at the next screen without even reading it. It's irrelevant, really.
Then going back to your project panel (we assume you've already imported your footage into it) click & drag a clip from the proj. panel to the timeline, or move one from the "Source monitor" to the timeline ... you should get a pop-up asking if you want the timeline changed to your footage, or your footage changed to the timeline. Take the timeline/sequence settings changed to match footage, and go.
That SHOULD take care of the problem in the vast majority of cases. It is such a simple fix, and so often the easiest and "correctist", that it's worth a try. Navigating the choices of setting up sequences is best left for those people who say, study GPU algorithms for a couple hours before going to bed for the sheer exhilaration of it ... unless, of course, PrPro actuall does a face-plant with your footage. But it mostly works good at it ... once you just let it ... so you might give that a try, takes what ... 20 seconds to see if it works?
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Premiere exports in incorrect pixel aspect ratio

My Panasonic camera shoots quicktime .mov JPEG videos in a 720X408 px resolution. I am having a very hard time editing them in Premiere, because I cannot get it to export them in a correct pixel aspect ratio.
Maybe you can figure out what I'm doing wrong. Here's what I do.
First, when opening a new project, the closest frame size I can choose is 720x480. So I choose that. I import the .mov file into it, and put it on the time line. At that point it looks like this:
http://img291.imageshack.us/img291/812/premierewindowoc9.jpg
Correct aspect ratio and no deformation.
When I try to export it as a .mov file, I do the following: I click on settings (in the file save dialogue), and go to video settings. I can choose any pixel aspect ratio, it all produces the same results, but for example, let's say, DVCPRO (1.5) (that's the closest to the size I need).
I can manually set my frame size to be 720x408 px, assuming that now the frame size will be exactly the same size as my video and no deformation will occur.
However, the result I get is this:
http://img6.imageshack.us/img6/6730/exportedmoviehl5.jpg
I've drawn arrows on that to make it clearer. So, I have a movie that's 720x408px. Premiere exports a frame sized 720x408, but then for some strange reason shrinks the actual video down to 483x480!!??!! Leaving completely unnecessary black bars on the sides.
Why does it do this?
When I export it with frame size 720x480, it doesn't add black lines on top and bottom as you'd expect. It does exactly the same thing you see in the image above.
I have tried many other combinations too. I have tried exporting it as every other available pixel aspect ratio, also as an avi file, nothing makes any difference. It always shrinks the original video in width, and adds black bars to the left and right.
What am I doing wrong??

Tina,
Lets see if we can get kitty onto YouTube.
There are four issues, that you will need to overcome:
1.) Project Preset to begin. Stanley lists the possible choices in post #8, based on the specs of your camera. You will have to determine which of these you used to record the files. These are *probably* set in your cameras menu area, and if you have not changed them, are probably still set. That will get you started in the right direction - but wait, theres more...
2.) It seems that your camera uses Motion-JPG as the encoder to create these files. There are at least two good Motion-JPG CODECs available, Lead and Morgan. Plus, your camera may well have come with its own Motion-JPG CODEC. The CODEC is what allows your camera to encode/compress the video data, and also what allows programs like Premiere to decode that data. Did your camera come with a CD/DVD with software on it? If so, the installation of that software *should* install any proprietary CODECs to your system. Now, if this was the case (or soon will be the case, when you locate that CD/DVD), Premiere *possibly* will be able to use that CODEC to handle the footage from your camera. If it does not, then it is *possibly* only a matter of purchasing, downloading and installing one of the two mentioned Motion-JPG CODECs. Both are relatively inexpensive, and Premiere *usually* can work with either, though your exact footage might not permit this. This is usually because a camera mfgr. chose to do their own thing. Thats why any disc that came with the camera is the first place to start.
3.) Now, you are in Premiere, have the proper CODEC installed on your system, and have Imported the footage into a Project with the proper Presets. If all is working, and I hope that it is, you just edit your footage.
4.) You have been working with Presets established based on your footage. That is likely not exactly what you will want to upload to YouTube. This is where Export comes into play. Unfortunately, YouTube seems to change the specs. weekly. About the time that someone publishes fool-proof details and settings for YouTube, they (YouTube) change everything. The best advice is to search as many fora, as you can for Export Settings for YouTube. Look at the dates for all articles. You really will only care about the most recent - very recent.
Going back up the list, there is another possibility. That would be to use a 3rd party conversion program to convert your footage to a DV-AVI Type II file. Often, with the proper CODEC installed, Premiere can do this internally, though not always, and even when it works, there can be problems. I use DigitalMedia Converter (Deskshare) a shareware program for most of my conversions. There are many freeware, and shareware, conversion programs available. Many get mentioned in this forum. Many get glowing reviews. Some are easier to use, than others.
Some balk at the thought of owning Premiere Pro and then having to use some 3rd party software to get their footage into a robust NLE, that they paid good money for. The fact is that Premiere Pro was designed to work primarily with DV-AVI Type II files, from mini tape cameras - the point made by several. That does not mean that it cannot work with other file types. It does, though not always without problems. Sometimes just passing the material through a conversion program will clear up all problems and no one is the wiser. I often use Premiere Elements, Pros little bitty brother, to convert some file formats, because it is more tolerant of many of these, than is Pro.
Good luck, and sorry that I do not have a current suggestion for Export to YouTube. Since it is a hot distribution medium, you should have no problem finding the correct settings for today - be sure to check the date of all articles, as the specs change all the time and in a heartbeat.
Let us know if you have any more questions. For "how things are done in Premiere," I recommend the Premiere-wikia: http://premierepro.wikia.com/wiki/Main_Page
for tutorials. Most that you could want to do will be there someplace. The current YouTube setting might be an exception, just because every time the Wikia gets updated, that info is out of date.
Hunt

Exporting 1080i, Pixel Aspect Ratio Problems

Hello everyone,
I've been dealing with a lot of different format projects recently: SD, HDV 720-24P, and HDV 108050i.
For now, these projects are intended for internet delivery. I've not had too much problem exporting the SD and HDV 720-24P projects, but the HDV 108050i has been very frustrating.
When I export SD and HDV 720 in compressor, I set the pixel aspect ratios to NTSC and square, respectively. But when I try to set the pixel aspect ratio for the 1080i to "1080i 16:9" (which I believe is 1.333:1), it rejects my choice, choosing "default" instead. When compressor finishes exporting, my 1080i movie looks very squished horizontally.
The only success I have had is in exporting via Quicktime conversion, where I duplicate my compressor settings, but do nothing to the pixel aspect ratio (since there is no option to change it in quicktime, it seems). The movies I have exported with Quicktime have been fine. I don't know if it makes a difference, but when I try to export these 1080i clips, I am in the proper 1080i "easy setup."
I know almost nothing about this pixel aspect ratio business, but I believe it is the cause of my problems (since I am using the proper 16:9 aspect ratio for movie width x height).
My Questions:
1. If I am understanding the problem correctly, how do I get compressor to acknowledge the right pixel aspect ratio for my 1080i footage, rather than the incorrect "default"?
2. If am not understanding the problem correctly, what might be going on?
3. Can anyone point me to a useful resource about pixel aspect ratios? I've been searching the forums and online, and I thought I was getting a grip on things but it seems I am still way over my head. For example, what is the significance in Final Cut Pro of changing your viewer or canvas to not show square pixels? Do you need to format for square vs. non-square depending on the final delivery destination (not the source format)?
Thanks!
Message was edited by: Haberdasher

Sorry to bump, but any ideas?

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How can I properly export an image with corrected pixel aspect ratio?

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