Your Hi-Def PC

[Lord_of_the_Dense]

Are you planning to buy an HDTV to watch high-definition cable and satellite and to play DVDs? You won't lack for buying advice. But if you also want to be able to view video content from a multimedia PC on your TV, some of the rules change.

PCs are capable of delivering higher-resolution video than cable, satellite, or DVD can offer. So you should think about the just-arriving HDTVs that can display a 1080p signal. (1080p denotes 1,920 by 1,080 pixels with progressive scan—meaning that all 1,080 lines are displayed in order, as opposed to being interlaced.)

DVD video provides a higher-quality image than VHS tape or most over-the-air broadcasts do, but that doesn't make it high-def. It's a 480-line image, and most current DVD players are progressive-scan, producing a 480p image. With video, the horizontal pixel count (720 for DVD) usually isn't cited—only the vertical number is given, and it's expressed as lines.

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