Active noise control system with two stage conditioning
Active noise eliminating system
Active noise reducing
Active noise reduction
Active noise reduction apparatus
Active noise reduction device for electronic apparatus
Active noise reduction system for automobile compartment
Active noise-cancellation system for automotive mufflers
Active noise-suppressive control method and apparatus
Active plus selective headset
Active sound and/or vibration control
Active sound attenuation system with on-line adaptive feedback c
Active sound cancellation system for time-varying signals
Active sound control systems and sound reproduction systems
Active sound damper
Active vibration control system
Active vibration control system for aircraft
Active vibration controller
Active-noise-reduction headsets with front-cavity venting
Active-noise-reduction headsets with front-cavity venting