[MEncoder-users] compression: 1080i versus 720p

RC cooleyr at gmail.com
Thu Dec 24 05:54:25 CET 2009


On Wed, 23 Dec 2009 06:45:04 -0600
Andrew Berg <bahamutzero8825 at gmail.com> wrote:

> The comment
> > When you deinterlace the 1080i video, you're reducing it to 30fps.
> states that deinterlacing reduces the frame rate, which directly
> affects how much raw video data there is. There is no mention of
> compressibility here. Deinterlacing does not reduce the frame rate,
> therefore the statement is false.

Well, if I take 60 fps material, delete half the frames, and then
duplicate each frame to end up with 60 fps material, would you say the
frame-rate was halved, or not?  Explain.

-- 
Ha. I'm the idiot.


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