Video Media Formats Tested

Technology site ExtremeTech has put the leading video codecs to the test, and the results might surprise you—or perhaps not, if you've been reading our opinion for the past year or so. The site tested DivX 5.1.1, Windows Media Video 9 (WMV9), QuickTime 6.5 (using Sorenson3 codec), and Apple's MPEG-4 implementation. The tests found both DivX and WMV9 impressive, with each displaying its own strengths. DivX is better positioned for computer playback, the report says, but for other devices such as PDAs, portable video players, and DVD players, WMV9 took the lead. QuickTime did well, but not with high-motion scenes. As for Apple's MPEG-4—it was horrible. No surprise there. We've been saying that all along

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