发明名称 |
Method and apparatus for handset detection |
摘要 |
Disclosed is a method of automated handset identification, comprising receiving a sample speech input signal from a sample handset; deriving a cepstral covariance sample matrix from said first sample speech signal; calculating, with a distance metric, all distances between said sample matrix and one or more cepstral covariance handset matrices, wherein each said handset matrix is derived from a plurality of speech signals taken from different speakers through the same handset; and determining if the smallest of said distances is below a predetermined threshold value.
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申请公布号 |
US2003065514(A1) |
申请公布日期 |
2003.04.03 |
申请号 |
US20010934157 |
申请日期 |
2001.08.21 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
WANG ZHONG-HUA;LUBENSKY DAVID;WU CHENG |
分类号 |
G10L17/00;(IPC1-7):G10L21/00 |
主分类号 |
G10L17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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