摘要 |
A sound input device includes: a differential microphone, configured to receive sound including noise, and generate a first signal in accordance with the sound; a detector, configured to detect the noise, and generate a second signal in accordance with the detected noise; and a controller, configured to control at least one of suppression of high-frequency components of the first signal and changing of a frequency band to be suppressed of the first signal based on the second signal.
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申请人 |
FUNAI ELECTRIC CO., LTD.;FUNAI ELECTRIC ADVANCED APPLIED TECHNOLOGY RESEARCH INSTITUTE INC. |
发明人 |
INODA, TAKESHI;HORIBE, RYUSUKE;TANAKA, FUMINORI;MAEDA, SHIGEO;TAKANO, RIKUO;SUGIYAMA, KIYOSHI;FUKUOKA, TOSHIMI;ONO, MASATOSHI |