Invention Grant
- Patent Title: Method for extending the spectral bandwidth of a speech signal
- Patent Title (中): 扩展语音信号的频谱带宽的方法
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Application No.: US11544470Application Date: 2006-10-06
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Publication No.: US07792680B2Publication Date: 2010-09-07
- Inventor: Bernd Iser , Gerhard Uwe Schmidt
- Applicant: Bernd Iser , Gerhard Uwe Schmidt
- Applicant Address: US MA Burlington
- Assignee: Nuance Communications, Inc.
- Current Assignee: Nuance Communications, Inc.
- Current Assignee Address: US MA Burlington
- Agency: Sunstein Kann Murphy & Timbers, LLP
- Priority: EP05021934 20051007
- Main IPC: G10L19/12
- IPC: G10L19/12
Abstract:
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.
Public/Granted literature
- US20070124140A1 Method for extending the spectral bandwidth of a speech signal Public/Granted day:2007-05-31
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