TimeScale property

Bob Arnold rfarnold at bu.edu
Thu Jun 27 15:28:01 CDT 2002


HI,

This may be a Quicktime issue, but can someone explain the Timescale
property to me? The timescale of my ntsc DV video files shows "2997" and Pal
DV files as "2500" -- ok, makes sense, divide by 100 and get the true frame
rate (29.97 and 25 fps respectively). But my .MOV files, with a frame rate
of 30 (double checked in QT PLAYER movie info) register a timescale of 600.
There goes my scheme of dividing by 100 -- anyone understand this?

Thanks
-- 
Robert Arnold
Associate Professor of Film
Boston University
Tel (617) 353-7735  Fax (617) 353-1084
http://people.bu.edu/rfarnold/




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