[MEncoder-users] questions about encoding S-Video

[Rich Felker]

On Wed, Aug 03, 2005 at 05:41:04AM -0700, RC wrote:
> On Tue, 2 Aug 2005 10:32:48 -0700 (PDT)
> Herotodus Rexx <herodotusrexx at yahoo.com> wrote:
> 
> > However it seems like I should be able to get better
> > than 320x240 resolution when encoding S-Video (the
> > docs I've read seem indicate something like 400x300
> > would be more appropriate) but when I've tried higher
> > resolutions, the quality of the resultant MPEG AVI
> > file seems to end up looking worse than the 320x240
> > composite MPEG AVI file.
> 
> Capturing at 400x300 doesn't make any sense.  For the height, you have
> two choices, either 240, or 480.  If you capture at 480, make sure you
> deinterlace (or use an inverse telecine filter, depending on the
> content).
> 
> The resolution of 320x240 is about all you can expect to get from VHS
> tapes; it really doesn't matter what type of connection you use.

You mean 320x480. VHS in no way destroys the fact that you have two
independent fields. Only horizontal resolution is lost to crappy tape
quality.

Rich