Posted by Jeff Rife on 04/12/06 08:27

Jeff Rife (wevsr@nabs.net) wrote in alt.tv.tech.hdtv:
> ~P~ (bmxtrix2005@cox.net) wrote in alt.tv.tech.hdtv:
> > Nope, they encode DVDs with 480i/24 data from movies and DVD players must
> > perform the 3:2 work to get 480i/60 or 480p/60 out of the video.
>
> Wrong, wrong, wrong. There is no "3:2 work" done by the player to
> convert the pseudo-24 frame encoding to 60i. The actual encoding on
> disc already has interlaced fields encoded along with "repeat field"
> flags, and the player just follows this to create the 30fps interlaced
> output.

See http://www.dvddemystified.com/dvdfaq.html#3.8 for complete details.
The MPEG-2 stream has "29.97 fps, interlaced" encoded into the header.
It is illegal to have "24 fps, interlaced" in the header of an MPEG-2
stream authored onto a DVD.

--
Jeff Rife |
| http://www.nabs.net/Cartoons/OverTheHedge/ToDo.gif

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