发明授权
US07873172B2 Modified volterra-wiener-hammerstein (MVWH) method for loudspeaker modeling and equalization
失效
用于扬声器建模和均衡的改进的volterra-wiener-hammerstein（MVWH）方法
- 专利标题： Modified volterra-wiener-hammerstein (MVWH) method for loudspeaker modeling and equalization
- 专利标题（中）： 用于扬声器建模和均衡的改进的volterra-wiener-hammerstein（MVWH）方法
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申请号： US11446085申请日： 2006-05-31
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公开(公告)号： US07873172B2公开(公告)日： 2011-01-18
- 发明人: Khosrow Lashkari
- 申请人： Khosrow Lashkari
- 申请人地址： JP Tokyo
- 专利权人： NTT DoCoMo, Inc.
- 当前专利权人： NTT DoCoMo, Inc.
- 当前专利权人地址： JP Tokyo
- 代理机构： Blakely, Sokoloff, Taylor & Zafman LLP
- 主分类号： H04R29/00
- IPC分类号： H04R29/00
摘要：
A method and apparatus for adaptive precompensation is disclosed. In one embodiment, the method comprises modifying operation of a predistortion filter in response to previous predistorted values and an original input signal, determining a precompensation error between the original input samples and the predicted loudspeaker output, and substantially reducing the precompensation error by using the exact inverse of a loudspeaker model that is a cascaded arrangement of at least one linear system with a non-linear system.
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