ACTIVE NOISE REDUCTION DEVICE AND ACTIVE NOISE REDUCTION METHOD

An active noise reduction device includes: an impulsive signal generator that generates an impulsive signal; a signal output unit that outputs the impulsive signal to a loudspeaker; a signal detector that detects a rising signal and a falling signal from a microphone signal outputted from a micropho...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOTEGAWA, Kazuhisa, YANAGI, Shota
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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