Industrial headset

Intake sound control apparatus

Integral active and passive silencer

Integrated active noise attenuation system and fluid reservoir

Integrated and active noise control inlet

Intergrated active noise control system for air handling unit

Intracranial noise suppression apparatus

Inverse control system

Invisible acoustic screen for open-plan offices and the like

Kitchen ventilator

Linear independence method for noninvasive on-line system...

Loudspeaker device

Loudspeaker phase distortion control using velocity feedback

Low frequency active noise control

Mass injection for reducing flow-induced resonance in a cavity

Method and an arrangement for attenuating noise in a space...

Method and apparatus for active cancellation of noise in a liqui

Method and apparatus for active noise control in an air...

Method and apparatus for active noise control of high order mode

Method and apparatus for active sound control