Acoustic resonator
Acoustic silencer nozzle
Acoustic trap for discharging fire arms
Acoustic treated exhaust plug for turbine engine
Acoustic wave attenuator for a rail
Acoustic wave attenuator for a rail
Acoustical apparatus
Acoustical liners
Acoustical turbine engine tail pipe plug
Acoustically inactive corrugated structure
Acoustically non-resonant pipe
Acoustically treated structurally reinforced sound absorbing...
Acoustically treated turbomachine multi-duct exhaust device
Adjustable light and air-admitting window thermal and acoustic b
Adjustable motorcycle muffler
Adjustable sound attenuating device
Aeracoustic wind tunnel turning vanes
Aero-acoustic aviation engine inlet for aggressive noise...
Aerodynamic noise abatement device and method for air-cooled...
Air gap-insulated exhaust manifold