Thanks, bandeng. Thanks, bcn_246.
In the TMPGEnc Free Version (MPEG2 support expired) File>MPEG Tools>Merge & Cut window, at first, there is a choice of File Type:
MPEG-1 System (automatic)
MPEG-1 System (VBR)
MPEG-1 Video CD
MPEG-1 Video CD (Non-Standard)
MPEG-2 Program (VBR)
MPEG-2 Super Video CD (VBR)
Question is: how do I know which one to click? I don't know the file info of my SKVCD.