Friday, October 21, 2011

[Avid-L2] H.264 File Size seems low?

 

I have a 24 second .mov file for final delivery and the file size is 57.60 MB according to QT 7.  Format is H.264 1920x1080. Millions AAC. Stereo (LR) 48.000 KHz
FPS: 29.97.  This seems really small for 24 secs of 1080I HD video.  This is video with noise to make it look like a 70's/80's sitcom open.  I usually expect around a gig a minute for full res files, obviously this varies but my ball park says it should be around 400MB not 57.  The video is live action stuff so it's not some super optimized graphic element.  I'm told the graphics company are young kids so you decide what that means.  I said we need an uncompressed .mov in animation at best or prores.  This is for an HD 1080I 59.94 HDCam delivery to a cable network so I think this file isn't up to snuff.  Given all the noise and grain crap in the video it might not really make much difference but I want a bigger file to compare.  Am I nuts?  I hate to think that the graphics company is trying to save render time and upload time at the expense of quality.  I don't usually think of H.264 as the proper format to deliver graphic elements for an
online edit but I'm sure there are many flavors of H.264 I'm just use to getting highly compressed versions for approval.  Any insight as to something I'm overlooking here would be appreciated.

John Moore

Barking Trout Productions

Studio City, CA

bigfish@pacbell.net

[Non-text portions of this message have been removed]

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