发明申请
- 专利标题： Method for extending the spectral bandwidth of a speech signal
- 专利标题（中）： 扩展语音信号的频谱带宽的方法
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申请号： US11544470申请日： 2006-10-06
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公开(公告)号： US20070124140A1公开(公告)日： 2007-05-31
- 发明人: Bernd Iser , Gerhard Schmidt
- 申请人： Bernd Iser , Gerhard Schmidt
- 优先权： EP05021934.4 20051007
- 主分类号： G10L19/12
- IPC分类号： G10L19/12
摘要：
A method for extending the spectral bandwidth of an excitation signal of a speech signal includes determining a bandwidth limited excitation signal of the speech signal, and applying a nonlinear function to the excitation signal for generating a bandwidth extended excitation signal.