发明名称 |
SPEECH PROCESSING SYSTEM, SPEECH PROCESSING METHOD, SPEECH PROCESSING PROGRAM, VEHICLE INCLUDING SPEECH PROCESSING SYSTEM ON BOARD, AND MICROPHONE PLACING METHOD |
摘要 |
A system of this invention is directed to a speech processing system that efficiently performs noise suppression processing for a plurality of noise sources spreading in a lateral direction with respect to a speaker of interest. The speech processing system includes a microphone array including a plurality of microphones, each of which inputs a sound mixture including speech of a speaker of interest and noise from a noise source region including a plurality of noise sources placed in a lateral direction with respect to the speaker of interest, and outputs a mixture signal including a speech signal and a noise signal, the plurality of microphones being arranged such that a difference between respective distances from the plurality of microphones to the speaker of interest becomes different from a difference between respective distances from the plurality of microphones to the noise source region, and a noise suppressor that suppresses the noise based on the mixture signals output from the plurality of microphones. |
申请公布号 |
US2016111109(A1) |
申请公布日期 |
2016.04.21 |
申请号 |
US201414892396 |
申请日期 |
2014.01.16 |
申请人 |
NEC CORPORATION |
发明人 |
TSUJIKAWA Masanori;HANAZAWA Ken;SUGIYAMA Akihiko |
分类号 |
G10L21/0216;B60R11/02;H04R3/00 |
主分类号 |
G10L21/0216 |
代理机构 |
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代理人 |
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主权项 |
1. A speech processing system comprising:
a microphone array including a plurality of microphones, each of which inputs a sound mixture including speech of a speaker of interest and noise from a noise source region including a plurality of noise sources placed in a lateral direction with respect to the speaker of interest, and outputs a mixture signal including a speech signal and a noise signal, said plurality of microphones being arranged such that a difference between respective distances from said plurality of microphones to the speaker of interest becomes different from a difference between respective distances from said plurality of microphones to the noise source region; and a noise suppressor that suppresses the noise based on the mixture signals output from said plurality of microphones. |
地址 |
Minato-ku, Tokyo JP |