发明授权
US08199928B2 System for processing an acoustic input signal to provide an output signal with reduced noise
有权
用于处理声输入信号以提供具有降低的噪声的输出信号的系统
- 专利标题: System for processing an acoustic input signal to provide an output signal with reduced noise
- 专利标题(中): 用于处理声输入信号以提供具有降低的噪声的输出信号的系统
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申请号: US12118205申请日: 2008-05-09
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公开(公告)号: US08199928B2公开(公告)日: 2012-06-12
- 发明人: Gerhard Uwe Schmidt , Raymond Brückner , Markus Buck , Ange Tchinda-Pockem , Mohamed Krini
- 申请人: Gerhard Uwe Schmidt , Raymond Brückner , Markus Buck , Ange Tchinda-Pockem , Mohamed Krini
- 申请人地址: US MA Burlington
- 专利权人: Nuance Communications, Inc.
- 当前专利权人: Nuance Communications, Inc.
- 当前专利权人地址: US MA Burlington
- 代理机构: Sunstein Kann Murphy & Timbers LLP
- 优先权: EP07010091 20070521
- 主分类号: H04B15/00
- IPC分类号: H04B15/00
摘要:
An apparatus processes an acoustic input signal to provide an output signal with reduced noise. The apparatus weights the input signal based on a frequency-dependent weighting function. A frequency-dependent threshold function bounds the weighting function from below.
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