发明授权
US07756714B2 System and method for extending spectral bandwidth of an audio signal
有权
用于扩展音频信号的频谱带宽的系统和方法
- 专利标题: System and method for extending spectral bandwidth of an audio signal
- 专利标题(中): 用于扩展音频信号的频谱带宽的系统和方法
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申请号: US11701184申请日: 2007-01-31
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公开(公告)号: US07756714B2公开(公告)日: 2010-07-13
- 发明人: Bernd Iser , Gerhard Schmidt
- 申请人: Bernd Iser , Gerhard Schmidt
- 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: EP06001984 20060131
- 主分类号: G10L19/14
- IPC分类号: G10L19/14
摘要:
A system is provided for extending the spectral bandwidth of a bandwidth limited audio signal by applying a nonlinear function to the bandwidth limited speech signal to generate the low frequency audio signal components that were attenuated in the bandwidth limited audio signal.
公开/授权文献
- US20080059155A1 Spectral bandwidth extend audio signal system 公开/授权日:2008-03-06
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