Re: [Mjpeg-users] Converting DVD from PAL to NTSC

[Bernhard P. <sha...@ut...>]

Hallo

> On Tue, 2004-01-13 at 13:14, Andrew Stevens wrote:
> > > > The final result was a smooth flowing image (on my DVD player) with a
> > > > bit less quality than the original - it's a bit blotchy in certain
> > > > scenes. The original Dolby Digital (2 channel) sound was preserved.
> > >
> > > There the -q option might help.
> >
> > If it is just certain scenes then you need to boost peak bitrate (the scenes
> > are running out of bits!).
> That suggests to me using VBR. I don't know whether the original stream
> is VBR and I haven't explicitly enabled VBR for mpeg2enc.
MPEG2 is by default a VBR stream. And DVD is by default MPEG 2 ;)
If you use the -q option you create a VBR stream, please read the doku
about that option in the mpeg2enc manpage, or the mjpeg-howto. 

> > Just for reference, the peak bitrate on commerical DVDs is often 8000Kbps or
> > more!
Sometimes i think that this the lower reate, and the peak ate is near
the 10Mbit the maximum allowed ;)

auf hoffentlich bald,

Berni the Chaos of Woodquarter

Email: sha...@ut...
www: http://www.lysator.liu.se/~gz/bernhard