[MEncoder-users] Encoding Pal DVD to AVI or SVCD for NTSC

[Rich Felker]

On Fri, Dec 02, 2005 at 05:34:22PM -0800, Scott W. Larson wrote:
> Rich Felker wrote:
> 
> >Yes, and unfortunately there are plenty of bass-ackwards HDTV formats
> >too (interlacing?? wtf?? why is that crap still there?)
> > 
> >
> Because the progressive formats are lower resolution,

That's the fault of idiots on the standards committees, not a
fundamental limitation. My point was that interlacing should never
have been in the HDTV standard whatsoever.

> take  up too much bandwidth

No, actually interlacing increases the bandwidth requirements
massively.

> and aren't as efficient and flexible.

Nonsense. Progressive is more efficient (in terms of bitrate) and also
more flexible (can be framerate-resampled, spatially scaled, ...).

> The highest progressive 
> resolution format has less resolution than the average HD display sold 
> in the US today and the difference is very noticeable. The interlaced 
> formats support telecine flags to send 24 fps progressive video (this 
> works great with mplayer). Unfortunately 720p requires that 24 fps 
> material be sent with three redundant frames for every five. These 
> reasons are why in the US only two networks use 720p while every other 
> network and HD cable channel uses 1080i.

Again this is all because the system was designed by idiots.

Rich