[MEncoder-users] settings to convert ATSC HDTV 1080i30 to 720p24

[RC]

On Wed, 30 May 2007 19:24:15 +0100
Dieter <freebsd at sopwith.solgatos.com> wrote:

> The obvious next question is: how does one detirmine whether the video
> is interlaced or telecine?

Should be in the HTML docs.

> I read somewhere that most or all 1080i content started life as 24 fps
> progressive.  I have to wonder why they decided to mangle that into
> 30 fps interleaved instead of transmitting 24 fps progressive?

Rate or resolution changes take about 1+ seconds, IIRC.  Possible they
don't want to wait that long to switch between the interlaced
commercials and the filmed main program.