NOISE REDUCTION DEVICE, NOISE REDUCTION SYSTEM, AND NOISE REDUCTION CONTROL METHOD

A noise reduction device (10) is connectable to a plurality of sound acquisition devices (7) and a plurality of control sound output devices (5) for reducing noises in a given space (10) where seats are arranged and a sound field can be formed. The device (10) includes a sound receiver (12), a contr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAMAGUCHI, Takahiro, EZAKI, Toshihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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