In industry this control is accomplished by designing machinery with parts that function as quietly as possible and by isolating the working parts from the machine housing so that the housing will not amplify their vibration.

• 在工业上噪音控制是靠机器的设计。设计时使其部件尽可能安静运行，并使机罩和转动的部件不接触，这样外罩不会扩大振动。