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Fips1907

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Fips1907

Re: harr449 post# 14155

Monday, 03/24/2008 12:02:26 PM

Monday, March 24, 2008 12:02:26 PM

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Sony MDR-NC500D is the world’s first noise-canceling headphones with noise digital signal processing with a newly developed high speed software engine DNC. The result is about 99% external noise is cut off. Daily sounds from air craft, trains and other vehicles is cut off to a very great extent when using the head phones.

DNC Multimedia?!?
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