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Will black bars focus bit rate to the center? (YouTube)

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Garrett O'Quinn
Will black bars focus bit rate to the center? (YouTube)
on Jun 29, 2015 at 10:19:26 pm

I'm uploading high-motion game-play to YouTube, rendering with Vegas 13. YouTube generally destroys my videos because they require way more bit rate than YouTube allows BUT I was curious if having cinematic black bars + VBR would focus the available bit rate to the center & if it would be the same way on YouTube.

I'm using Mainconcept/AVC Internet HD but with custom settings, which ends up looking amazing once rendered, so YouTube is the issue here.

Also I am very new to this site so please let me know if this is posted in the wrong place ^.^'


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John Rofrano
Re: Will black bars focus bit rate to the center? (YouTube)
on Jun 30, 2015 at 3:01:09 pm

Yes, black bars will not consume your bit rate leaving more bits for the parts that are not black.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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Garrett O'Quinn
Re: Will black bars focus bit rate to the center? (YouTube)
on Jun 30, 2015 at 7:06:55 pm

Alright cool :D
Does this only work for VBR or does it affect CBR too?


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John Rofrano
Re: Will black bars focus bit rate to the center? (YouTube)
on Jul 1, 2015 at 1:19:09 am

[Garrett O'Quinn] "Does this only work for VBR or does it affect CBR too?"
That's an excellent question because you might think that it only works with VBR but it will work with CBR as well. While CBR will use the same amount of bits to represent each frame, less bits will be used to represent the black bars leaving more bits to represent the picture content for that individual frame.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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Norman Black
Re: Will black bars focus bit rate to the center? (YouTube)
on Jun 30, 2015 at 6:15:09 pm
Last Edited By Norman Black on Jun 30, 2015 at 6:16:14 pm

I agree with JR and I have done this once myself on a mountain bike video. It helped.

Really anything static from frame to frame will work.


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