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Other Video Discs

You may not be aware of it, but there are other video-on-disc formats available, although none that seriously challenge the quality and storage capacity of DVD. The other kinds rely on an ordinary 700 MB CD-ROM as the storage medium. Blank CD-ROM discs are less expensive than blank writable DVDs, but that may be about the only advantage there is to these non-DVD formats.

VCD (Video CD): This format uses MPEG-1 video compression to allow up to 74 minutes of video to fit on a regular CD-ROM. The image quality is about half that of DVD, roughly comparable to VHS. VCD discs will play on many commercial DVD players but without menus and other essential DVD features. VCDs can be a quick way to store and play back digital video, but the image quality is nothing to brag about. It's a very popular format in China and the Far East.


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