Friday, October 21, 2011

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

 



John, if you're worried, save it out as ProRes HQ.

B

Benjamin Hershleder
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On Oct 21, 2011, at 9:24 PM, James Culbertson wrote:

> That's not a particularly low data rate for well compressed H.264. Some content at that length could be taken down substantially below 10 MB if it is clean.
>
> It really depends on a lot of variables.
>
> James
>
>
> On Oct 21, 2011, at 8:32 PM, johnrobmoore wrote:
>
>> Finder Info shows the same size as QT. It just seems like a low number for 24 secs of 1080I video.
>>
>> --- In Avid-L2@yahoogroups.com, Tim McLaughlin <mcltim.156@...> wrote:
>>>
>>> Forget what Quicktime says - what dies the Finder say? Get info on the file.
>>>
>>> I've found Quicktime to be just flat-out WRONG a lot of the time. The Finder
>>> is never wrong.
>>> --
>>> Tim McLaughlin
>>> Final Cut and Avid Editor
>>> http://vimeo.com/mcltim
>>> www.mcltim.com
>>>
>>>
>>> On Fri, Oct 21, 2011 at 7:02 PM, John Moore <bigfish@...> wrote:
>>>
>>>> **
>>>>
>>>>
>>>> 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@...
>>>>
>>>> [Non-text portions of this message have been removed]
>>>>
>>>>
>>>>
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>
>>
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> ------------------------------------
>
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>

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