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I'm working late, darling

作者:伯圬衾    发布时间:2019-03-03 03:07:11    

By Barry Fox It is hard to make a cellphone call from a noisy bar and pretend you’re calling from a quiet office. But Jaime Siegel of Woodcliff Lake, New Jersey has been working on it (US 2004/0192243). His modified cellphone has two microphones; one on the front as usual and an identical one on the back face. When you make a call in a noisy place, both mics pick up much the same background noise,

 

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