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Digital technology--the use of computer chips to create, store and play images and sounds--dominates more and more of today's home-entertainment choices. Traditional analog techniques of recording images on film or displaying them on a glass tube are fast becoming obsolete. The result: greater convenience, capability, and affordable prices. Consumers also face a fast-changing menu of home-entertainment options, with a technical vocabulary to match.
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Two developments typify the digital trend. This year several manufacturers have announced their intention to discontinue production of film cameras, and sales of digital televisions are expected to surpass those of analog TVs. For some purists, digital photography will never offer the delicacy and range that film cameras do. And analog TV still has a huge installed base and brisk sales of low-priced smaller sets. Nonetheless, the digital direction is clear.
Where new and older-style home-entertainment technologies still coexist, consumers' attention is directed to digital. In video cameras, digital models far outnumber analog offerings. Digital audio players, with their MP3 files, have quickly replaced CD players as best-selling portable music sources. In televisions, with a cutoff date for all analog broadcasts looming in 2009, only digital models should be considered for purchase, unless low cost is of paramount importance. In fact, Consumer Reports now tests and rates only digital TVs.
Other notable trends in today's home entertainment and imaging marketplace echo previous waves of ...