发明名称 |
Voice mixing device, noise suppression method and program therefor |
摘要 |
A voice mixing device for mixing a plurality of voice signals, comprises: a speaker selection unit selecting at least one voice signal among said plurality of voice signals; a full signal adder unit adding all of at least one voice signal selected by said speaker selection unit; respective subtractor unit subtracting only one of said selected voice signals from an addition result of said full signal adder unit; a common noise suppression unit suppressing noise of a common voice signal, being an addition result of said full signal adder unit; individual noise suppression unit suppressing noise of respective individual voice signals, being subtraction results of said subtractor unit; and memory switching unit copying information of noise suppression obtained in said common noise suppression unit based on a selection result of said speaker selection unit, to information of noise suppression in said individual noise suppression unit.
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申请公布号 |
US8428939(B2) |
申请公布日期 |
2013.04.23 |
申请号 |
US20080670843 |
申请日期 |
2008.07.28 |
申请人 |
ITO HIRONORI;OZAWA KAZUNORI;NEC CORPORATION |
发明人 |
ITO HIRONORI;OZAWA KAZUNORI |
分类号 |
G10L21/00;G10L21/02;G10L21/0208 |
主分类号 |
G10L21/00 |
代理机构 |
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地址 |
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