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Re: How much space does an hour of HD take up?

Posted by PTravel on 01/15/06 20:58

"David McCall" <david.mccall@comcast.net> wrote in message
news:DIxyf.6402$C%3.4086@trndny03...
>
> "Happ Sapp7" <nononono2@spam.com> wrote in message
> news:r_wyf.2232$xk1.50603@news20.bellglobal.com...
> >I know that an hour of SD DV takes up approx. 13 GB on my hard drive, or
> >one miniDV tape at SP speed.
> >
> > Thinking of HD vameras, and wanted to know how much space an hour of
video
> > in HD format takes up....from what i gathered, it still uses miniDV
tapes.
> There are many HD formats and compression schemes, so the size
> could vary widely. I think you are asking specifically about HDV, which
> is a High Definition variant of DV. I believe that the tape, and data-rate
> are the same as DV. That being true, then the disk space requirement
> would be the same as for DV.

HDV uses mpeg2 and, I'm almost certain, uses a variable bit rate. As such,
I don't think it's possible to tie specific file sizes to specific times.

>
> If you are going to edit it, then the question becomes more complicated.
> HDV adds complexity to editing, from a programming standpoint.
> Many people prefer to convert the HDV file to a less compressed format
> for editing, and this makes for much bigger files.

Is that true? I'm not working in HDV yet so I haven't tried it, but Adobe
Premiere Pro, for example, has the ability to import HDV directly.


>
> David
>
>

 

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