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Exporting widescreen Quicktime problems...

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Stuart SamuelsExporting widescreen Quicktime problems...
by on Oct 5, 2011 at 6:40:45 pm

Hi.

I want to export some edited basic avi clips as a widescreen quicktime movie but I cant seem to get the export setting correct. When I play the video in VLC or Quicktime Player I either end up with a stretched or very small video.

Can anyone tell me what I should be doing as It surely cant be that difficult and I'm probably just being a bit slow!

What compression should I be using to maintine the high quality of the footage and what should my fame size be set to etc?

Im using CS4 by the way.

Thanks for any help anyone can offer.


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ben g ungurenRe: Exporting widescreen Quicktime problems...
by on Oct 5, 2011 at 10:58:39 pm

Please share your current export setting with us. Many of us will be able to spot your problem with a quick glance, but we need to know what you're doing in the first place....

Ben Unguren
Motion Graphics & Editing
http://www.mostlydocumentary.com


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Jeff PuleraRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 2:48:14 pm

Most media players do not account for any pixel shape other than square, in other words Pixel Aspect Ratio of 1.0

Some formats like HDV use anamorphic (stretched) video with a PAR of 1.333

With DV NTSC, the video is ALWAYS 720x 480 whether standard or widescreen! PAR makes the difference.

So for instance, whether starting with HD, or DV widescreen, and wanting to export to an SD format for the web, use square pixels (1.0) with frame dimensions of 854x480 then you will get the correct widescreen look in the players. If exporting for the web/computers, make sure the video gets deinterlaced if starting with an interlaced source.

Whatever dimensions you wish to export at, just use PAR 1.0 and make sure the X and Y divide out at 16:9 (854/54 and 480/54 = 16:9)

Thanks

Jeff Pulera
Safe Harbor Computers


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Stuart SamuelsRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 3:53:33 pm

Thanks for your replies.

To add to my confusion I'm in Britain so I'm after PAL settings rather than NTSC, but surely the screen dimensions are the same?

The export settings that I've used so far are

Format: Quicktime
Preset: PAL DV Widescreen
Video Codec: DV PAL

With these settings I am not able to alter the width and height as they are greyed out and locked at 720x576. There is also no option anywhere I can see to change the PAR. The resulting video played in Quicktime Player (set to 'fullscreen') or VLC fills the screen vertically but has black bars to the left and right (See below).In the program monitor window in Premiere my footage fills the frame completely.


I simply want to export it as a widescreen Quicktime (or even an avi) but I still can't seem to work it out. It's driving me mad!

Thanks again for your help, it's greatly appreciated.


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Jeff PuleraRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 3:59:02 pm

Well, let's test my math skills and I hope this is correct for PAL then - I'll do 576/9=64, and 16x64=1024, so I'd say to choose a "generic" QT preset rather than the DV preset, then you will be able to alter the settings, and do 1024x576 with 1.0 PAR to get the 16:9 aspect ratio.

Hope this does it for you

Jeff Pulera
Safe Harbor Computers


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Stuart SamuelsRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 5:00:13 pm

Still no luck. I've posted the export window below (x3) so you can see my settings and options and see if there's an obvious answer as to what Im doing wrong. Thanks.







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Jeff PuleraRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 5:45:07 pm

I can't see the Aspect Ratio settings, they are hidden down lower on the Video settings. And I believe you need to choose SOME kind of codec for the QT file besides none, but I'm not a QT expert.

Thanks

Jeff


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Stuart SamuelsRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 7:15:50 pm

Got it!

I was interpreting the footage to PAR 1.0 but I was missing the Aspect settings in the export options. Phew.

Im now struggling to find a codec that works though!
I'd happily use an AVI file rather than Quicktime which it seems you may be more familiar with... could you suggest a full quality (SD not HD) codec that works well for you?

And again, thank you for your time and help.


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Jeff PuleraRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 7:23:49 pm

Hi Stuart,

The choice of delivery formats is really dependent on where the video is going...what is the intended purpose or audience?

If for the web, then you'd want some type of H.264 most likely to get the best compression and quality.

Please let us know your intentions for the output

Thanks


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Stuart SamuelsRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 8:06:55 pm

The finished video will go to DVD and also online. If it ever gets finished!

I've tried H.624 but the quality isnt great at all.

What codec would I use for a DVD?

Apologies for all the questions but I've been tearing my hair out for days over this.


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Jeff PuleraRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 8:10:46 pm

H.264 is an excellent codec, but you have to have the right settings.

As for DVD, forget all you've heard about changing frame sizes and aspect ratios! If PAL is like NTSC, then the standard 720x576 is the correct sizing for DVD. In Export settings, choose "MPEG-2 for DVD" and choose a "PAL Widescreen" preset.

Jeff


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Stuart SamuelsRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 8:31:59 pm

Ha, ok. I'll get experimenting with the MPEG 2 settings now!

Would the correct H.246 settings be similar to what you have discussed earlier?

Is there a website with all of this info compiled somewhere!? If not then there' a definite gap in the market!


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Jeff PuleraRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 8:50:02 pm

Well don't "experiment" too much with MPEG-2 settings - DVD is an official specification with narrow parameters, so you can't burn just any MPEG-2 file to a DVD. As mentioned, choose an "MPEG-2 for DVD" preset, and for a beginner, the data rate is about the only thing you should touch. That's another story in itself, figuring out the correct data rate!

Regarding the H.264 clip, where is it going? You'd probably want something smaller than the 1024x576 for the web, and for data rate, use short samples and experiment to find a happy medium of quality and file size that suits you.

Jeff


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Stuart SamuelsRe: Exporting widescreen Quicktime problems...
by on Oct 6, 2011 at 9:02:47 pm

The clip will go to YouTube and Vimeo initially but the quality needs to be as high as possible really as it's a showreel for a budding actor.

Thanks for your time and patience Jeff, you've really helped me out and though I've still got a way to go, I think I'll be able to sleep tonight now! Much appreciated.

Stuart.


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