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Encoding issue with youtube


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#1 E Beach

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Posted 09 January 2013 - 07:53 PM

Hi there

Im just asking around to whoever I cant find that has used the C300 and uploaded to youtube as I am having a major quality drop once the uplaod takes place.

Shot with C300 in c-log, transcoded to prores and edited in FCP. Sent to color and graded and exported back all still as prores. Exported as uncompressed and sent into Adobe Meadia Encoder and compressed using Quicktime H.264 at 50,000Kbps giving me a 1GB file. It looks nice and clear but when its uploaded to youtube there seems to be a lot of artifacts and macroblocking all over the place, plus too much banding gradiants (some shots probably can be blamt by smoke in the room). I know YT compress further but this seems like too much.

If both these images are loaded up at fullscreen and you flick across from one and the other, does it not seem like quite a drastic change? The quality image is from the compressed file i am uploading.

Is this much change normal for youtube?

<a href='http://images.creati...5.png&#39;><img src='http://i1.creativeco...0at00.37.35.png' border='0' /></a>

<a href='http://images.creati...8.png&#39;><img src='http://i1.creativeco...0at00.33.48.png' border='0' /></a>


http://www.youtube.com/watch?feature=player_embedded&v=B27QNh34aLY


Thanks
Elliot

Edited by E Beach, 09 January 2013 - 07:57 PM.

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#2 Alan Rencher

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Posted 09 January 2013 - 08:23 PM

I'm no expert, but I get the best results when I use Adobe's "YouTube" Preset (under the H.264 Format), then set to render at "Maximum Bit Depth" in "Video" tab. I also check the "Use Maximum Render Quality". This way you get the maximum quality, and Youtube won't do any additional processing on it.
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