> You rang? ;)
>
> 14000 frames (~8 minutes) of data captured (by another Canopus convert)
> from a VHS tape and on its way to SVCD.
>
> 1)
> smil2yuv -a $N.wav $N.smil | \
> y4mshift -n -6 | \
> yuvdenoise -S 0 -r 16 -t 5 -l 3 -b 20,56,680,376 | \
> yuvscaler -M BICUBIC -O SVCD | \
> mpeg2enc -M 2 -f 4 -q 8 -4 2 -2 1 -N -o $N.m2v
How about trying it without yuvdenoise in the pipeline?
yuvdenoise does quite a bit of low-pass filtering of its own, which means
that later stages are less prone to aliasing ('cause it leaves less HF
content to alias).
>From: Trent Piepho <[EMAIL PROTECTED]>
>
>Does the smaller output size actually mean y4mscaler is "better"?
>Running your video though a Gaussian blur filter would increase the
>compression ratio, put it's probably not what most people would
>consider an improvement.
Good question --- what's it look like, Steve? :)
I'm still doing some research on the Wonderful World of Kernels (it's not
my field of expertise, yet), but the bottom line is that you can only do
so good with a third-order response.
-matt m.
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