A multi-glazed window formed by a frame produced from profiles supporting at least two glass panes separated by an air layer. The window incorporating an active noise reduction device for a noise coming from a noise source. At least one loudspeaker an actuator associated with the membrane, which actuator is capable of inducing a vibratory movement of said membrane, at least one control microphone carried by the frame, said microphone being installed in the air layer in order to sense the acoustic signals in said air layer, and a control electronics suitable for controlling the actuator according to the acoustic signals sensed by the control microphone.
