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We watch feature films on DVD-Video discs; listen to full 6 channel surround sound on a home entertainment system; we play elaborate and engaging interactive games on DVD-ROMs; and access huge amounts of data stored on DVD-RAM jukeboxes on a corporate network. For a technology that was largely ignored by the consumer only a few years ago, the DVD (digital versatile disc) has come a long way, even to the point of changing how we interact with the world.

For the avid data guru it is only a matter of time before DVD technology completely displaces the CD-ROM drive as the removable storage standard for new computers. However, the typical consumer is largely unaware of the technology hidden away in this small shiny plastic disc. This site was created on the premise of explaining the arcane technology in a straightforward manner.

The DVD advantage

The inherent advantages of DVD technology over other storage standards are indisputable: huge capacity, backward compatibility with CD technology, video playback quality that surpasses that of a laserdisc, multi-channel sound quality far better than that of Audio CD, and unrivaled potential for interactive-multimedia capabilities. These are only a few of the reasons why the world is moving to DVD.
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DVD vs. CD

The DVD-Video standard calls for a video resolution of at least 640 x 480 pixels, this is double the standard used on Video CDs which have a resolution of only 320 x 240 pixels. Video CDs are also encoded as lower quality MPEG1 files as compared to the MPEG2 encoding used on DVDs and HDTV (high-definition television) signals. Double the resolution, double the clarity.

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