3:2 iPhone aspect ratio?

I hope I'm just missing something obvious here... but what happened the the 3:2 aspect ratio in project properties?

All I see is 4:3 and 16:9

Mac mini

Posted on Nov 7, 2010 1:01 PM

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9 replies

Nov 7, 2010 5:01 PM in response to Tom Wolsky

I think that 3:2 is the actual aspect ratio of the iPhone screen, so you may want to render in 3:2. The 3:2 setting also provides a bitrate that the iPhone can handle.

The iPhone 3GS camera shoots in 640x480, which translates to 720x480 widescreen anamorphic as you say.

The iPhone 4 shoots HD, and I don't have direct experience with the iPhone 4, so mileage may vary there.

Message was edited by: AppleMan1958

Nov 7, 2010 5:29 PM in response to AppleMan1958

And as I said already, it IS in project properties in iMovie '09. 🙂

If I could post screen shots, I'd show you.

Regardless, even if the share menu DID say something like "export with a 3:2 ratio" how exactly would it let you choose what gets cropped?

To expand the subject... we should be able to set any aspect ratio... If I wanted to shoot a completely square 1:1 aspect ratio movie, well, I should be able to.


Very similar question here: http://discussions.apple.com/thread.jspa?messageID=11994699&#11994699

Nov 7, 2010 1:39 PM in response to AppleMan1958

Just to add 3:2 is something of a misnomer. That's not the actual aspect ratio of the viewed image. It's either 4:3 or 16:9. 3:2 is a standard definition frame size that's uses pixels with a different aspect ratio.
As AppleMan says if you Share to QuickTime you'll see in Options dimensions that are 720x480 (640x480). That's 3:2 displayed as 4:3. So there is no real 3:2 display, at least there shouldn't be.

Similarly standard definition 16:9 is also 3:2. It uses the same 720x480 frame resolution, but the display aspect ratio is very different.

Nov 7, 2010 5:00 PM in response to Tom Wolsky

I sort of half understand that. 🙂

Let me frame the question better.

I need to take "screencasts" (using quicktime to record the screen, usually) of the iPhone simulator for product demos. So I need to crop the resulting movie to fit the content of the simulator on screen exactly.

As recorded, it's a 3:2 ratio. 960x480 (for the iPhone 4 emulator).
Doing a simple crop in iMovie always gives me a box that does not fit.

The previous iMovie had a 3:2 ratio that was selectable next to 16:9 and 4:3.
It made a crop box that would fit a recorded iPhone screen perfectly.

Maybe I need to find a different way of doing this...

Nov 9, 2010 5:55 PM in response to RandyAppleJames

So, this is a nutty solution, but I've messed with it before, so it was the first place I went...

iMove projects are serialized to plists.
I converted the saved binary plists to xml using "plutil -convert xml1 <filename>"
It's pretty easy to find the spot in the plist where the aspect ratio is stored and change it to 1.5
(looks like <real>1.5</real>)

AFTER I did that and loaded iMovie again, the project properties SHOW "iPhone (3:2)" for the aspect ratio of that project!!!!

Not for new projects... but it's a start.

I actually look at the nibs for iMovie as well and the 3:2 ratio stuff is still in there... it's just hard to place what piece is disabling it.

As a short term workaround, this works for me... but it would be great to see Apple add back 3:2 support and perhaps support for custom aspect ratios in iMovie.

Jan 20, 2011 2:44 AM in response to Tom Wolsky

I'm having the same problem. I just upgraded from iMovie '09 to '11 and found that I could no longer create a 3:2 projects. Which is a pity, because I have a lot of footage shot with my helmet camera (Drift X-170) in 3:2 (720x480) that I want to use.

I would love to see the 3:2 option come back in the next release/upgrade of iMovie. Even better would be to have an 'advanced' option for setting any desired aspect ratio. I really like iMovie, and I think it is way to good to limit it's use to only the 'most popular' formats. Moving all my stuff over to another piece of software (like Final Cut) is not something that I look forward to 😟

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3:2 iPhone aspect ratio?

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