| 发明名称 |
METHOD AND SYSTEM OF ESTIMATING BACKGROUND NOISE ENERGY LEVEL |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and system of estimating background noise energy level. SOLUTION: The method and system of estimating background noise energy level is comprised of: measuring the energy of a current speech frame; and determining a new estimate of background noise based on comparison of the measured energy of said current speech frame with a previous estimate of the background noise. COPYRIGHT: (C)2005,JPO&NCIPI
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| 申请公布号 |
JP2005182075(A) |
申请公布日期 |
2005.07.07 |
| 申请号 |
JP20050018692 |
申请日期 |
2005.01.26 |
| 申请人 |
QUALCOMM INC |
发明人 |
JACOBS PAUL E;GARDNER WILLIAM R;LEE CHONG U;GILHOUSEN KLEIN S;LAM S KATHERINE;TSAI MING-CHANG |
| 分类号 |
G10L19/00;G10L;G10L11/02;G10L19/02;G10L19/04;G10L19/06;G10L19/12;G10L19/14;G10L21/02;G10L21/04;H03M7/30;H03M7/36;H04B1/66;H04J3/16;H04L1/00;(IPC1-7):G10L19/06 |
主分类号 |
G10L19/00 |
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