Forced film decimation algorithm?

videoh · 12th June 2017, 16:30

Obviously I was talking about the spatial placement as that was the point raised by hello_hello. B and b are the top and bottom fields of a single progressive frame, so it doesn't matter what order they are displayed in. They don't have to be displayed together in the same frame as you claim; indeed that is why you see 3 interlaced frames followed by two progressive when stepping by frames. 3:2 pulldown was designed to put film on interlaced 29.97fps (NTSC). If all this were not the case then 3:2 pulldown would not work and would be useless. And applying pulldown to non-progressive frames is stupid. So many pedants and quibblers at this forum!

Sorry to hear about your learning limitations. It explains a lot.

12th June 2017, 16:30	#32 \| Link
videoh Useful n00b Join Date: Jul 2014 Posts: 1,667	Obviously I was talking about the spatial placement as that was the point raised by hello_hello. B and b are the top and bottom fields of a single progressive frame, so it doesn't matter what order they are displayed in. They don't have to be displayed together in the same frame as you claim; indeed that is why you see 3 interlaced frames followed by two progressive when stepping by frames. 3:2 pulldown was designed to put film on interlaced 29.97fps (NTSC). If all this were not the case then 3:2 pulldown would not work and would be useless. And applying pulldown to non-progressive frames is stupid. So many pedants and quibblers at this forum! Sorry to hear about your learning limitations. It explains a lot. Last edited by videoh; 12th June 2017 at 16:48.