Active muffler with dynamic tuning
Active noise and vibration control system accounting for...
Active noise cancelling muffler
Active noise control
Active noise control
Active noise control method and device
Active noise control of an enclosure with multiple transducers
Active noise control system
Active noise control system
Active noise control system for closed spaces such as...
Active noise reduction
Active plus selective headset
Active selective headset
Active sound and/or vibration control
Active sound damper
Active vibration control system
Active vibration control system for aircraft
Active vibration control system with multiple inputs
Adaptive analysis apparatus
Adaptive canceller filter module