发明名称 |
Phase detection apparatus and method, and audio coding apparatus and method |
摘要 |
Phase detection apparatus and method, wherein a one-pitch cycle is cutout of an input signal waveform and then that cutout one-pitch cycle is dimension converted into 2k-sample data. The data conversion is performed on respective higher harmonic components of the input signal according to a real part and an imaginary part of the orthogonal data that has been converted.
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申请公布号 |
US6115685(A) |
申请公布日期 |
2000.09.05 |
申请号 |
US19990236500 |
申请日期 |
1999.01.26 |
申请人 |
SONY CORPORATION |
发明人 |
INOUE, AKIRA;NISHIGUCHI, MASAYUKI |
分类号 |
G10L19/08;G10L11/00;H03M7/30;H04B1/66;(IPC1-7):G10L11/04;G10L19/04 |
主分类号 |
G10L19/08 |
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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