On Wed, 8 Oct 2003, Greg Trounson wrote:
> SVCD does have advantages over VCD (for a start it's mpeg2-based).
True. One of the main advantages that mpeg2 brings is the
ability to handle interlaced video.
> I would create an SVCD, but at VCD resolution (352x288). That should
> give you a better picture at 2500kbps than the VCD.
That's not a SVCD. XSVCD or other nonstandard format but not
SVCD. At that point one of the big advantages of MPEG2 has
been discarded - 352x288 is not interlaced (basically half the
information has been discarded).
If 352x288 is going to be used then variable bitrate MPEG-1
with the VCD format would work just as well. It would take
several extra parameters to mpeg2enc and mplex but VBR MPEG1
(nonstandard for VCD format) would probably work in most
players.
I think for SVCD if the -K kvcd option and -q 8 (or 9) were used
the results would make a good SVCD video. If the source has
noise then adding yuvdenoise with moderate settings (-l 1 or -l 2)
will work wonders.
If the current CVS version is being used and the source material
is moderate to good quality then the new "-E" option can be used
(-E -10 is a moderate setting) to lower the bitrate.
Cheers,
Steven Schultz
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