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RE>BIT DEPTH



>>>> Reply to:     RE>BIT DEPTH
>Regarding the use of Dynamic rounding, 

>Also, I wonder if the 10-bit depth is OK for film, whereas it may
>not be enough for computer generated images. For film, I would
>imagine that grain and other physical issues may tend to "dither"
>the signal enough so that normal photographic gradations will not
>exhibit the quantization artifacts. And since more of our work
>involves a mix of film and CGI, I thought this was worth some
>batting around a bit.
>

If I recall my Cineon lectures corectly, Kodak calls for 16 bit 
digitization then log compresses it to 12 bits.  I agree hoiwever that 
for most applications, the film grain is sufficient to mask the lack of 
bits even at 8.