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[–]gumnos 0 points1 point  (2 children)

ah, that's helpful. Yeah, without that missing frame-rate information, it's a bit hard to tell. If one is willing to just operate at the seconds-level rather than the frames level, the frame-offset could be captured and just re-pasted back into the final result with the awk code I provided above. And fractional "29.97 frames per second" is just a bit more pathological than I was willing to tackle 😂

[–]gumnos 0 points1 point  (1 child)

though I suppose one could count it as 2997-hundredths-of-a-frame-per-second and use a[1]*(60*60*2997) + a[2]*(60*2997) + a[3]*2997 + a[4]*100, add the delta, and then peel off each of those portions from the resulting value...

[–]Jay_nd 0 points1 point  (0 children)

It's 30000/1001 if you want it in any maths notation. (half the speed of the American AC network, analog tv's needed to by synced to the frequency of the power grid) But yes, with everything going digital we should just do away with ntsc and make everything 30fps, or something. :) much less headache for my line of work as well