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Article: Surround-sound technology expands to CDs, cell phones.
- Article from:
- Orange County Register (Santa Ana, CA)
- Article date:
- July 12, 2004
CopyrightCOPYRIGHT 2004 The Orange County Register. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: Tamara Chuang
Jul. 12--Can't get enough of the surround-sound experience at movie theaters? You're not alone.
That's why $1,000-plus home entertainment centers exist. They offer 5.1 systems, which play music or other audio from five speakers plus one subwoofer (hence, the 5 and 1).
But in order to get that immersion experience, you have to start with an audio file that is built for surround-sound systems.
DVD movies, for example, use Dolby Digital, a standard technology that layers six different sounds, called channels, on one track. For example, you might hear birds chirping out of the rear speaker, while dialogue switches ...