发明授权
US08184816B2 Systems and methods for detecting wind noise using multiple audio sources
有权
使用多个音频源检测风噪声的系统和方法
- 专利标题: Systems and methods for detecting wind noise using multiple audio sources
- 专利标题(中): 使用多个音频源检测风噪声的系统和方法
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申请号: US12323186申请日: 2008-11-25
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公开(公告)号: US08184816B2公开(公告)日: 2012-05-22
- 发明人: Dinesh Ramakrishnan , Song Wang
- 申请人: Dinesh Ramakrishnan , Song Wang
- 申请人地址: US CA San Diego
- 专利权人: QUALCOMM Incorporated
- 当前专利权人: QUALCOMM Incorporated
- 当前专利权人地址: US CA San Diego
- 代理商 Espartaco Diaz Hidalgo
- 主分类号: H04R3/00
- IPC分类号: H04R3/00
摘要:
A method for detecting wind noise is described. At least two audio signals are received. The at least two audio signals are filtered to reduce higher frequencies and to reduce lower frequencies to provide at least two filtered audio signals. The cross correlation of the at least two filtered audio signals is computed for multiple delays. A maximum cross correlation is determined from the cross correlations computed for the multiple delays. Wind noise is detected by comparing the maximum cross correlation with a threshold.
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