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My exported 2015 iMovie file has bad quality.

Hello.


I just got a new MacBook pro, OS X Yosemite 10.10.3. Using iMovie 10.0.7 (the latest version to my knowledge.)


I realize that this question has been beaten to death all over the internet, but I haven't made any headway STILL. I just completed an edit that looks AMAZING in iMovie, and when I export it, the file is very distorted. I'm exporting at the highest quality (1080p) and the file ends up being 8GB (8 minute movie) which I would think a big file like that would produce good quality.


I'm stuck. Any help would be greatly appreciated.


Here's the upload (notice the distortion and grainy-ness during motion, again looks AMAZING in iMovie.)

https://www.youtube.com/watch?v=eeQ85ybI_II


Mike

MacBook Pro with Retina display, OS X Yosemite (10.10.3)

Posted on Apr 11, 2015 8:41 PM

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Apr 12, 2015 1:37 AM in response to mikehalls628

iMovie file has bad quality.

hmmm, really?


I pick up a scene ...

User uploaded file

<click for fullsize>


This is a 'killer' for any encoder! Those ultra-soft gradient in the sky shows no banding!

Not to say: superb! Compare to a less encoded version:


User uploaded file

<click for fullsize>


you see? THAT is bad quality! Tons of banding in the sky...


... post a scene, which doesn't fullfill your standards …

btw: what camera in use? settings? a GoPro I assume, those 'cinema' settings?


PS: you let YT play it in as 720/1080? ....

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Apr 13, 2015 9:03 AM in response to Karsten Schlüter

Hi, thanks for replying.


You're right. I see the difference now. I was concerned about most of the motion scenes, but now they look better.


Honestly, maybe YT had not rendered it to HD yet. I don't know.


I was using a GoPro Hero shooting at 1080p/30 FPS. Letting YT play it in 1080.

Here's an example.User uploaded fileUser uploaded file

So now I see there is only a SLIGHT difference between YT and iMovie. Slight. Call my picky I guess.

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Apr 13, 2015 10:23 PM in response to mikehalls628

mikehalls628 wrote:

… Call my picky I guess.

you have all rights to be 'picky'…!


But judging 'quality' with a YT upload ... ? No way!

YT converts all uploads; into 'dozens' of versions, to support any connection and any OS ..

So, in full auto mode, YT decides, in what quality you get a video displayed.

Not everybody knows, how to set the player manually to any HDef setting


User uploaded file


If you are for the last 0.5% to perfection, you have to consider other distribution chanels,

e.g. Vimeo, which allows users to download the original upload file (If you want),

or 'cloud services', as google.drive, which allow to playback uploads in their origin version ...


.... but, again: we talk about the last few inches ...

I would be happy and glad, if my videos would look like yours ...


PS: what bit rate you use for YT uploads?

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My exported 2015 iMovie file has bad quality.

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