发明授权
- 专利标题: System and method for matching microphones
- 专利标题(中): 匹配麦克风的系统和方法
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申请号: US11543132申请日: 2006-10-05
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公开(公告)号: US07831053B2公开(公告)日: 2010-11-09
- 发明人: Kim Spetzler Petersen , Meng Gou
- 申请人: Kim Spetzler Petersen , Meng Gou
- 申请人地址: DK Smorum
- 专利权人: Oticon A/S
- 当前专利权人: Oticon A/S
- 当前专利权人地址: DK Smorum
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 优先权: EP05109293 20051006
- 主分类号: H04R3/00
- IPC分类号: H04R3/00 ; H04R1/02 ; H04R1/40
摘要:
This invention relates to a system (10) and method for matching one or more microphones. A first and second microphone (110, 210) communicates, respectively, a first and second microphone signal to an amplitude compensating means (16) adjusting amplitude of the first microphone signal in accordance with amplitude of the second microphone signal. The amplitude compensating means (16) communicates an adjusted first microphone signal (100) and the second microphone signal (200) to a phase matching means (18) comprising a correction filter means (113) receiving the adjusted first microphone signal (100). The correction filter means (113) comprises a low-pass filter means (111), which is controlled in accordance with a subtraction between the first microphone signal output (102) and the second microphone signal (200), and a high-pass filter means (112), which is controlled in accordance with a comparison between the first microphone signal output (102) and the second microphone signal (200).
公开/授权文献
- US20070086602A1 System and method for matching microphones 公开/授权日:2007-04-19
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