Space active noise reduction device and noise reduction method thereof

The invention discloses a space active noise reduction device and a noise reduction method thereof, the noise reduction device comprises a first sensor array assembly, and the first sensor array assembly comprises a plurality of groups of first sensors; the first sensor array assembly is located on one side of the sound insulation part; the sound production unit is located on the side, away from the first sensor array assembly, of the sound insulation part; the second sensor is connected with the sound production unit; a camera shooting unit is arranged on the first supporting rod; and the electric control unit is in signal connection with the first sensor, the sound production unit, the second sensor and the camera shooting unit. According to the application, the sound field of the noise reduction space in the sound insulation part is regulated and controlled by utilizing sound wave destructive interference and passive sound insulation principles; in addition, the core system can be transplanted to other spa