On Tuesday 09 January 2007 19:37, Steven M. Schultz wrote: > From: Anne Wilson <[EMAIL PROTECTED]> > > > I normally create DVDs, but occasionally the footage that I want to > > convert is very small, so this time I thought I would create an SVCD. > > This didn't work although the same m2v and mp2 files mplexed to DVD > > quality without a problem What exactly caused the problem? > > > > mplex -f 4 flat4.m2v flat4.mp2 -o flat4SVCD.mpg > > mplex is NOT a "conversion" or encoder! > > Did you ENCODE to SVCD bitrate? You have to specify -f 4 to > the encoder (mpeg2enc) AND the multiplextor (mplex). > > It sounds like you took a file encoded for DVD and asked mplex > to convert it to a SVCD. > > Won't work. DVD frame size is 704xN or 720xN or 352xN but NOT 480xN > (where N is 480 for US and 576 for Europe). SVCDs are 480xN and thus > you need to scale the data appropriately (y4mscaler) and then encode > with -f 4. > > Once the data is successfully encoded to SVCD rate and frame size > then mplex -f 4 will work as expected. > Of course. I had completely forgotten that. An SVCD project must be prepared as such from the start. Ah, well, DVD disks are so cheap these days that it's hardly worth bothering.
Thanks for replying. And thanks to Gert, too. Anne
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