发明名称 |
METHOD AND APPARATUS FOR A FREQUENCY DOMAIN ECHO SUPPRESSION FILTER |
摘要 |
Residual frequency components of a reference signal are suppressed from an error signal. A magnitude of the frequency domain representation of the reference signal is divided by a magnitude of the frequency domain representation of LMS-filtered representation of the error signal to obtain a frequency domain ratio of the frequency domain representation of the reference signal to the frequency domain representation of the LMS-filtered signal. The frequency domain ratio of the frequency domain representation of the reference signal to the frequency domain representation of the LMS-filtered signal is multiplied by the frequency domain ratio of the frequency domain representation of the reference signal to the frequency domain representation of the LMS-filtered signal, to obtain a frequency domain signal having reduced residual frequency components of the reference signal. |
申请公布号 |
US2013324195(A1) |
申请公布日期 |
2013.12.05 |
申请号 |
US201213485040 |
申请日期 |
2012.05.31 |
申请人 |
BARRON DAVID;CONTINENTAL AUTOMOTIVE SYSTEMS, INC. |
发明人 |
BARRON DAVID |
分类号 |
H04B15/00;H04W88/02 |
主分类号 |
H04B15/00 |
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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