You are correct. MPEG at it's core is more or less a variant of still
image jpeg, and the quantization stage of jpeg can produce a ringing
effect due to what the real meaning of the quantization pass in the
frequency domain.
But in any case, the --keep-hf flag to mpeg2enc in my experience reduces
It's my understanding that sharp transitions between light & dark areas are one of the hardest things for MPEG to encode accurately. MPEG is designed for "natural" images (i.e. stuff recorded from real-world sources).
Sounds like you had some success getting rid of it with yuvmedianfilter. Keep u
On Dienstag, 11. März 2003 19:42 Bernhard Praschinger wrote:
> > I convert old VHS-C-PAL movies to XSVCD. A blue PC-created
> > titel with a light background shows a blue gleam around the
> > letters. Also I see at the edges of clothing a gleam. This
> > gleam at sharp edges is on the original mo
Hallo
> I convert old VHS-C-PAL movies to XSVCD. A blue PC-created titel
> with a light background shows a blue gleam around the letters. Also
> I see at the edges of clothing a gleam. This gleam at sharp edges
> is on the original movie too, but you can see no gleam around the
> title with the a
I convert old VHS-C-PAL movies to XSVCD. A blue PC-created titel
with a light background shows a blue gleam around the letters. Also
I see at the edges of clothing a gleam. This gleam at sharp edges
is on the original movie too, but you can see no gleam around the
title with the avi-file. Afte
