On Fri, Nov 21, 2008 at 8:21 PM, Bryan Henderson <giraffedata at gmail.com> wrote: > In stepping through a DVD movie frame by frame, I noticed there were > 24 frames in a second. I always thought part of "DVD authoring" was > converting that to television frame rate (30). "Television frame rate", aka NTSC, is 29.97, or more precisely, 30000/1001. > Messages mention both a frame rate of 29.97 fps and "24000/1001fps > progressive NTSC content." What does that mean? The content is progressive NTSC FILM (23.976 or more precisely 24000/1001) and is telecined to 29.97fps NTSC. Dark Shikari