发明名称 Wireless telephone having multiple microphones
摘要 The present invention is directed to a wireless telephone having a first microphone and a second microphone and a method for processing audio signal in a wireless telephone having a first microphone and a second microphone. The wireless telephone includes a first microphone, a second microphone, and a signal processor. The first microphone outputs a first audio signal, the first audio signal comprising a voice component and a background noise component. The second microphone outputs a second audio signal. The signal processor increases a ratio of the voice component to the noise component of the first audio signal based on the content of at least one of the first audio signal and the second audio signal to produce a third audio signal.
申请公布号 US2006133621(A1) 申请公布日期 2006.06.22
申请号 US20040018921 申请日期 2004.12.22
申请人 BROADCOM CORPORATION 发明人 CHEN JUIN-HWEY;BENNETT JAMES
分类号 H04R3/00;H04B15/00 主分类号 H04R3/00
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