Apparatus for suppressing structure borne noises
Apparatus for the active suppression of noise radiated by a...
Appliance incorporating sound cancellation system
Attenuation of sound waves
Attenuation of sound waves
Audio apparatus and method for use in proximity to a...
Audio reproduction system
Audio signal processors
Audio system, in particular for motor vehicles
Automatic sound controlling method and apparatus for improving a
Broad-band echo sounder
Built-in microphone device
Cabin communication system without acoustic echo cancellation
Circuit to improve transducer separation in handsfree telephone
Communication device with active equalization and method...
Communication machine room wideband noise suppression system
Communication terminal device
Communications systems
Computationally efficient means for optimal control with...
Configuration of providing microphone in duct and active...