21.The heteronomous controller of claim 1, wherein the personal active noise attenuation system is a headset and earplug system comprising a head mounting portion, earcups, and earplugs, further comprising a noise error sensor, a noise reference signal sensor, and an electroacoustic control speake...
Thirdly, noise management can occur at the point of reception, such as through the use of earmuffs in engineering mechanics and helicopter cockpits to mitigate the impact of loud noise on ears. The first and second approaches are commonly employed during the design phase. PNC exhibits a ...