Acoustically insulated apparatus
Acoustically insulated bezel
Acoustically lagged structure
Acoustically non-resonant pipe
Acoustically resistive layer for an acoustical attenuation...
Acoustically treated structurally reinforced sound absorbing...
Acoustically treated turbomachine multi-duct exhaust device
Active acoustic attenuation mixing chamber
Active acoustic sound absorber device
Active acoustics performance shell
Active dipole inlet using drone cone speaker driver
Active exhaust muffler
Active exhaust silencer
Active exhaust silencer
Active exhaust-noise attenuation muffler
Active muffler transducer arrangement
Active noise control system
Active silencer
Active sound attenation system for engine exhaust systems and th
Actively sound reduced muffler having a venturi effect configura