发明名称 SOUND REPRODUCTION DEVICE AND SOUND REPRODUCTION METHOD
摘要 PROBLEM TO BE SOLVED: To provide a sound reproduction device and a sound reproduction method which can transmit/receive a voice with little noise. SOLUTION: A sound reproduction device 10 is provided which includes a communication portion which transmits/receives a signal, at least one sound output portion which outputs a sound based on a reception signal received by the communication portion, a pickup portion which picks up the sound and generates voice data, an echo canceller portion which stores an echo signal when the reception signal received by the communication portion includes the echo signal and generates a pseudo echo signal by using the echo signal stored, and a noise reduction portion which generates a denying signal which denies a noise by using the voice data when the noise emitted from a noise source is included in the sound picked up by the pickup portion and combines the output signal of the echo canceller portion and the denying signal to be outputted. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008244852(A) 申请公布日期 2008.10.09
申请号 JP20070082651 申请日期 2007.03.27
申请人 SONY CORP 发明人 SHIRAISHI GORO
分类号 H04M1/60;G10L21/02;H04R3/00;H04R3/02 主分类号 H04M1/60
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