发明名称
摘要 The present invention relates to enhancing a quality of speech wherein speech quality degradation is reduced by removing noise from an unvoiced speech. The present invention comprises dividing an input speech into a voiced speech and an unvoiced speech, performing adaptive filtering on the voiced speech to remove a noise of the voiced speech, and performing spectral subtraction on the unvoiced speech.
申请公布号 JP4350690(B2) 申请公布日期 2009.10.21
申请号 JP20050258585 申请日期 2005.09.06
申请人 发明人
分类号 G10L21/02;G10L11/06 主分类号 G10L21/02
代理机构 代理人
主权项
地址