发明申请
- 专利标题: METHOD AND SYSTEM FOR OBTAINING AN AUDIO SIGNAL
- 专利标题(中): 用于获取音频信号的方法和系统
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申请号: US13587514申请日: 2012-08-16
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公开(公告)号: US20140050332A1公开(公告)日: 2014-02-20
- 发明人: Johan Ludvig Nielsen , Gisle Langen Enstad
- 申请人: Johan Ludvig Nielsen , Gisle Langen Enstad
- 申请人地址: US CA San Jose
- 专利权人: CISCO TECHNOLOGY, INC.
- 当前专利权人: CISCO TECHNOLOGY, INC.
- 当前专利权人地址: US CA San Jose
- 主分类号: H04R3/00
- IPC分类号: H04R3/00
摘要:
A method and system for obtaining an audio signal. In one embodiment, the method comprises receiving a first sound signal at a first microphone arranged at a first height vertically above a substantially flat surface; receiving a second sound signal at a second microphone arranged at a second height vertically above the substantially flat surface; processing a signal provided by the first microphone using a low pass filter; processing a signal provided by the second microphone using a high pass filter; adding the signals processed by the low pass filter and the high pass filter to form a sum signal; and outputting the sum signal as an audio signal.
公开/授权文献
- US09113243B2 Method and system for obtaining an audio signal 公开/授权日:2015-08-18
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