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A comment on Introducing the ‘mozjpeg’ Project. Parent comment

Re:Introducing the ‘mozjpeg’ Project by mark-r on Wednesday March 05, 2014 @07:19PM (#7350961)
According to Wikipedia they squeeze 36 bits/pixel down to 4.71 bits/pixel for a 2K 24FPS movie. That's over 7x - gzip would be hard pressed to get up to 2x. I'm sure part of the reason they need compression is to send the data over the wire rather than shipping physical media all the time.

[1] http://en.wikipedia.org/wiki/Digital_Cinema_Initiatives#Imag...

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Re:Introducing the ‘mozjpeg’ Project by yuhong on Wednesday March 05, 2014 @11:13PM (#7351821)
I believe that typically DCP movies are delivered via hard drive or satellite.
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Re:Introducing the ‘mozjpeg’ Project by e12e on Thursday March 06, 2014 @01:08AM (#7352178)
One of the benefits is that ingestion is flexible -- In general movies can be distributed via broadband (well in advance of release too, as the files are unplayable without decryption keys). For stuff like film festivals there's usually crates and crates of HDs :-)
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Re:Introducing the ‘mozjpeg’ Project by jfb on Thursday March 06, 2014 @10:31AM (#7354237)
This is why bandwidth isn't really a gating concern -- it's a mastered, offline format, so you don't need to squeeze all the possible bits out of the final package.
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