发明名称 |
SOUND PROCESSING DEVICE, SOUND PROCESSING METHOD AND PROGRAM |
摘要 |
[Object] To provide high-quality sound while suppressing the calculation amount [Solution Means] A sound processing device includes a first calculation unit configured to calculate a suppression gain of noise by using respective input signals input from a plurality of microphones; an integration unit configured to obtain an integration gain by using a suppression gain of an acoustic echo and the suppression gain of the noise; an application unit configured to apply the integration gain to one input signal among the plurality of input signals; and a second calculation unit configured to calculate the suppression gain of the acoustic echo by using signals to which the integration gain is applied, output signals that are output to a replay device, and the one input signal. |
申请公布号 |
EP2768242(A4) |
申请公布日期 |
2015.04.29 |
申请号 |
EP20110873877 |
申请日期 |
2011.10.14 |
申请人 |
FUJITSU LIMITED |
发明人 |
ENDO, KAORI;TSUCHINAGA, YOSHITERU |
分类号 |
H04R3/00;G10L21/02;H04R3/02 |
主分类号 |
H04R3/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|