| 摘要 |
PROBLEM TO BE SOLVED: To provide a small voice input unit excellent in voice separation performance, preventing the deviation of voice separation performance of the voice input unit caused by frequency of speakers' voices. SOLUTION: The voice input unit is provided with a plurality of microphones 11A-11C arranged so that all the intervals D1ab, D1bc, D1ca between microphones are different. Thereby, the voice input unit is provided to obtain high voice separation performance in a wide voice frequency band. COPYRIGHT: (C)2008,JPO&INPIT
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