发明名称 |
Mobile phone and ambient noise filtering method used in the mobile phone |
摘要 |
An exemplary ambient noise filtering method includes: sampling ambient noise signals to obtain multiple groups of sampled signals; analyzing each group of the sampled signals in each sampling period to determine ambient noise frequency band(s) in each sampling period, wherein the ambient noise frequency band is a frequency band where the ambient noise distributes; determining main noise frequency band(s) by statistically analyzing all the ambient noise frequency bands, wherein the main noise frequency band is a frequency band where the ambient noise concentrates and mainly distributes; and filtering the ambient noise out of signals generated during a communication by filtering the determined main noise frequency band(s) if the main noise frequency band(s) does not have a same range as that of a speech frequency band. Related exemplary mobile phone performing the method is also provided.
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申请公布号 |
US7877062(B2) |
申请公布日期 |
2011.01.25 |
申请号 |
US20070941971 |
申请日期 |
2007.11.19 |
申请人 |
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD.;HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
WONG SHIH-FANG;LI DE-ZHI |
分类号 |
H04B17/00 |
主分类号 |
H04B17/00 |
代理机构 |
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代理人 |
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地址 |
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