So you got questions about audio/video? Wanna know how to rip a digital stream? Make an X/S/VCD to play on your DVD player? Maybe rip a video from VHS or TV? Find the answers here.
The point is not to convert them into full D1 resolution if the source resolution is near vcd resolution. Just converting the video near to sources resolution is the best way to do it.
Resolution and Frame rate
DVD-Video can consist of either MPEG-2 at up to 9.8 Mbit/s (9800 kbit/s) or MPEG-1 at up to 1.856 Mbit/s (1856 kbit/s).
The following formats are allowed for MPEG-2 video:
* At 25 fps (usually used in regions where PAL is standard):
720 × 576 pixels MPEG-2 (Called full D1)
704 × 576 pixels MPEG-2
352 × 576 pixels MPEG-2 (Called Half-D1, same as the China Video Disc standard)
352 × 288 pixels MPEG-2
* At 29.97 or 23.976 fps (usually used in regions where NTSC is standard):
720 × 480 pixels MPEG-2 (Called full D1)
704 × 480 pixels MPEG-2
352 × 480 pixels MPEG-2 (Called Half-D1, same as the China Video Disc standard)
352 × 240 pixels MPEG-2