| 摘要 |
PROBLEM TO BE SOLVED: To provide a voice input device with simple constitution that can securely extract a speaker's voice. SOLUTION: The voice input device 10 includes a sound collecting means 1 of collecting the speaker's voice that the speaker speaks and noise by a microphone array composed of a plurality of microphones arranged in designated position relation, a speaker direction determination means 2 of determining the direction of the speaker to the sound collecting means 1 based upon the output of the sound collecting means 1, and a speaker voice extracting means 3 of extracting the speaker's voice by changing the directivity of the sound collecting means 1 according to the speaker direction. COPYRIGHT: (C)2006,JPO&NCIPI
|
