What is the difference between various digital video formats (VCD, SVCD, DVD) ?
VCD stands for Video Compact Disc and it is a CD that can contain movies, pictures and sound. Depending on the type of recordable CD used, A VCD can either hold about 74 minutes of video along with stereo quality sound (on a 74 minute, 650MB CD) or it can hold about 80 minutes of video along with stereo quality sound (on a 80 minute, 700MB CD). Video in a VCD is encoded in the MPEG-1 format at a resolution of 352 x 240 pixels (for NTSC) and at a bit-rate of 1150Kbps. Audio in a VCD is encoded in the MPEG-1 Layer 2 format at a bit-rate of 224Kbps. Audio in a VCD can be comprised of either 1 stereo or 2 mono channels. VCD supports a basic format of interactive playback control (PBC) and closed captions. Overall picture quality of a VCD is comparable to that of a VHS tape. SVCD stands for Super Video Compact Disc and it too (like a VCD) can contain movies, pictures and sound. A recordable CD can hold 35 to 60 minutes of video in SVCD format (depending on the bit-rate used). Video in a SVC
