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Traditional noise control

When noise control is applied to an existing product, the means are most often limited to enclosures, silencers and similar add-on measures. Even in this case it is worth remembering that machinery acoustic design requires more than just evaluation of sound transmission loss and absorption. For example in forced cooling applications an enclosure increases pressure losses, which in turn reduce flow rate and increase noise generation.

It is not that seldom that enclosure proves to be impotent, even though from a purely acoustical point of view the plans may have looked promising. As the noise control process proceeds, it often turns out that an enclosure is not enough to solve both noise and usability aspects. This is why Machinery Acoustics bases its work on a holistic Solutions for Silence approach.