Re: [Avid-L2] QT none codec vs TIFF math

Hi Dom! thanks for the reply.
Tiff export is not compressed nor rle nor lzw.
The guy is scared because Tiff are bigger that QT.

On 11/19/09, Dom Q. Silverio <domqsilverio@gmail.com> wrote:
>
>
>
> Assuming you used lossless compression, the size is different probably
> because TIFF reduces file size by grouping similar pixels while None
> does not.
> TIFF's compression is like ZIP files.
>
> TIFF is capable of both lossless and lossy compression.
>
> Dom Q. Silverio
>
>
> On Thu, Nov 19, 2009 at 10:17 AM, Agustin Goya | Wancamp
> <agustingoya@gmail.com <agustingoya%40gmail.com>> wrote:
> > Hi, I´m exorting some files to other facility for color correction,
> running
> > FCP. I´m sendiing an HD quicktime movie 1920x1080 8 bit codec: none
> > And comparing to Tiff output is smaller 19minutes QT is about 112GB and
> > Tiff 168GB.
> > I think this is because the quicktime is still in YCrBr and Tiffs are
> RGB.
> > Is that right?
> > If that´s the case, does anybody know how to calculate the YCrBr bitrate
> so
> > I can explain the other guy whay is tis QT smaller and why there is no
> loss
> > compared to Tiffs.
> > thanks a lot for the help.
> >
> >
> > --
> > Agustin Goya
> > WANCAMP | POST
> > +54-11-6545-2427
> > http://www.wancamp.com.ar/
> > http://www.imdb.com/name/nm2339496/
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
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> http://archives.bengrosser.com/avid/
> >
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> http://tinyurl.com/ColorCorectionforvideo Get your copy todayYahoo!
> Groups Links
> >
> >
> >
> >
>
>
>

--
Agustin Goya
WANCAMP | POST
+54-11-6545-2427
http://www.wancamp.com.ar/
http://www.imdb.com/name/nm2339496/

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

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