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720 Anamorphic or 853?

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Richard Lowe
720 Anamorphic or 853?
on Feb 18, 2010 at 9:49:40 pm

Hey everyone,

I don't even know what I would search for this, so apologies if it's redundant.

We're working in a DV50 720x480 Anamorphic 29.97 project. We have some outside clips that we would like to import that are 640x360. What's the best way to resize these to bring them in?

Unfortunately, the 720x480 Anamorphic frame size is something I'm unclear on. Can someone explain or point me in a good direction? Is the acquisition frame size 720x480 but when it's brought into FCP, it's viewed as anamorphic which is 853?

Thank you!


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Chad Brewer
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 12:38:02 am

Anamorphic DV clips check in on FCP as 853x480.
If you don't like doing math, check out Paul Figgiani's great aspect ratio software found at http://www.producenewmedia.com to assist you quickly with resizing different video sizes...

Chad Brewer
Senior Tape Operator/Engineer
TeleVersions


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Jeremy Garchow
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 1:47:03 am

[Richard Lowe] "What's the best way to resize these to bring them in? "


720x480 with an anamorphic pixel aspect ratio.


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Rafael Amador
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 2:03:34 am

Right.
You don't have to care about the pixels aspect.
As Jeremy say, just export 720x480.
The resultant pixels will be DV NTSC Anamorphic, because your original picture was 16x9.
Rafael

http://www.nagavideo.com


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Jeremy Garchow
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 2:51:55 am

Well, you have to care about the pixel aspect, otherwise it won't work.

Anamorphic D1 footage has a pixel aspect of 1.2.

640x360 is square pixel. You will have to distort the footage in fcp ( I.e. change the pixel aspect ratio) to get it right.

Final frame size is still 720x480.


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Rafael Amador
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 5:41:17 am

Jeremy,
If you take a 16x9 picture, and you divide it in 720x480 pieces, the resultant pieces will always be DV NTSC Anamorphic. Is impossible that you get something different.
Is nothing about codecs, pixels or even video; is about geometry.
If you do it in MPGStreamclip, for example, you don't have a pixel choice. Is unnecessary and just can mess everything. As happens in Compressor.
Rafael

http://www.nagavideo.com


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Jeremy Garchow
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 5:48:38 am

You can't be serious?


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Rafael Amador
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 10:26:58 am

Would you be able to get 720x480 NO-DV-NTSC-Anamorphic pixels?
Rafael

http://www.nagavideo.com


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Jeremy Garchow
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 2:04:41 pm

Raf, I don't even know what you're saying anymore.

640x360, the pixels are square.

720x480, the pixels are rectangular.

720x480, the pixels are even more rectangular.

How is that not changing the pixel aspect ratio? Squares to rectangles? Come on dude, you know better. It is about the aspect ratio.


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Rafael Amador
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 2:33:45 pm

Hi Jeremy,
Of course we are changing the pixels aspect.
What I say is that if we export any 16x9 picture (whatever the format, size, pixels,..) to 720x480, we can only get DV NTSC Anamorphic pixels.
WE don't need to set the kind of pixels on exporting.
There is not way that you can get other kind of pixels.
740x480 any-other-kind-of-pixels would never make a 16x9 picture again.
Rafael

http://www.nagavideo.com


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Neil Sadwelkar
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 3:31:54 pm

In your 720x480 Anamorphic 29.97 timeline, simply place your 640x360 clip and scale it to fit the frame. Don't use distort. FCP will scale the frame and pixels to make it anamorphic 720x480. If you absolutely must do it outside and use a software that doesn't know about non-square pixels, then you're right. it will have to be 853x480. Your math is right.

When I'm authoring NTSC DVDs and menus need to be 16:9, I often create graphics as 853x480. There's no other way.

In PAL it would have to be 1024x576. That's the ratio we use when exporting from a software like Resolve and we need it to go into a PAL anamorphic project.

-----------------------------------
Neil Sadwelkar
neilsadwelkar.blogspot.com
twitter: fcpguru
FCP Editor, Edit systems consultant
Mumbai India


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Richard Lowe
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 9:54:20 pm

Thanks, everyone!


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Jeremy Garchow
Re: 720 Anamorphic or 853?
on Feb 19, 2010 at 10:47:59 pm

[Neil Sadwelkar] "In your 720x480 Anamorphic 29.97 timeline, simply place your 640x360 clip and scale it to fit the frame. Don't use distort. "

That is absolutely impossible in FCP. You cannot scale the x&y independently. You will notice that FCP has 'used the distort' for you.

Jeremy


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Neil Sadwelkar
Re: 720 Anamorphic or 853?
on Feb 20, 2010 at 3:36:03 am

Although probably not relevant to the current thread, you can indeed scale x and y independently. You need top keep shift pressed while dragging the scale handles.


-----------------------------------
Neil Sadwelkar
neilsadwelkar.blogspot.com
twitter: fcpguru
FCP Editor, Edit systems consultant
Mumbai India


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Jeremy Garchow
Re: 720 Anamorphic or 853?
on Feb 20, 2010 at 3:59:59 am

[Neil Sadwelkar] "Although probably not relevant to the current thread, you can indeed scale x and y independently. You need top keep shift pressed while dragging the scale handles. "

And if you notice when you look at the distort property in the motion tab, your footage is now 'distorted'. This is how FCP works. You can't put a square pixel image in a non square pixel raster and expect no distortion.

If you want no distortion, then the square 16x9 image will be letter-boxed.

Jeremy


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Neil Sadwelkar
Re: 720 Anamorphic or 853?
on Feb 20, 2010 at 3:42:10 am

Although probably not relevant to the current thread, you can indeed scale x and y independently. You need top keep shift pressed while dragging the scale handles.


-----------------------------------
Neil Sadwelkar
neilsadwelkar.blogspot.com
twitter: fcpguru
FCP Editor, Edit systems consultant
Mumbai India


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Rafael Amador
Re: 720 Anamorphic or 853?
on Feb 20, 2010 at 11:38:25 am

Both pictures are 16x9, there is no necessary any distort.
Upscale.
Forgetting about pixels and thinking in terms of geometry makes things easier.
Rafael

http://www.nagavideo.com


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