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Uncompressed .h264?!?

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Greg Ball
Uncompressed .h264?!?
on Jun 14, 2012 at 3:59:02 pm

I have a client I edited a video for. They want it as an "Uncompressed .h264 file". Isn't h264 already compressed? Is this even possible? In all my years I've never been asked for this.

Thanks.


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Steve Eisen
Re: Uncompressed .h264?!?
on Jun 14, 2012 at 4:23:49 pm

[Greg Ball] "Isn't h264 already compressed? Is this even possible?"

You are correct. h.264 is compressed. Find out where they intend to use the file.
A h.264 file for the web (YouTube, etc.) looks good at a 4-6 MBs.

Steve Eisen
Eisen Video Productions
Vice President
Chicago Creative Pro Users Group


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Alan Okey
Re: Uncompressed .h264?!?
on Jun 14, 2012 at 9:53:41 pm

"Uncompressed h.264" is analogous to "affordable Ferrari," "fast snail," and "hyperactive sloth."


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Rafael Amador
Re: Uncompressed .h264?!?
on Jun 15, 2012 at 12:48:41 pm

[Alan Okey] ""Uncompressed h.264" is analogous to "affordable Ferrari," "fast snail," and "hyperactive sloth.""
Again: No.
Don't mistake H264 with YouTube.
rafael

http://www.nagavideo.com


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Alan Okey
Re: Uncompressed .h264?!?
on Jun 15, 2012 at 1:46:15 pm

[Rafael Amador] "Don't mistake H264 with YouTube."

Rafael, you misunderstood my comment. I was not making a disparaging comment about the h.264 codec, I was merely pointing out that "uncompressed h.264" is an oxymoron. Since h.264 is a codec, by definition any h.264 material is compressed.

Perhaps in my feeble attempt at humor, my analogies failed.


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Brad Elliott
Re: Uncompressed .h264?!?
on Jun 15, 2012 at 3:33:44 pm

In the export settings window if I set the data rate to automatic and the quality is best/2-pass isn't that the highest quality H264 file possible? H264 by nature is compressed but since I'm not limiting the data rate it could be argued that it isn't a compressed H264 even though H264 by nature is compressed.

Possibly an H264 paradox?



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Rafael Amador
Re: Uncompressed .h264?!?
on Jun 16, 2012 at 1:15:33 pm

[Alan Okey] "Rafael, you misunderstood my comment. I was not making a disparaging comment about the h.264 codec, I was merely pointing out that "uncompressed h.264" is an oxymoron. Since h.264 is a codec, by definition any h.264 material is compressed."
Sorry Alan, you are very right.
I was trying to emphasize the difference between "Compressed" and "lossy".
Codecs like Animation or Sheer are compressed, but lossless.
Reducing files size doesn't necessary means quality lose.

I guess that when Greg has been requested for an "uncompressed h264" the idea was a "lossless H264".
I know very well that you are aware of those technical issues, but some other doesn't.
Dave said that "H.264 is typically a final delivery codec", when can see that is also becoming one of the most wide spread acquisition options (AVCHD, AVC-Intra,..).
rafael

http://www.nagavideo.com


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