Sound quality and acoustic design for industrial goods and products require (and deserve) much attention of the manufacturer, the developer, and the marketing expert. Sound quality engineering in the industrial laboratory is applied psychoacoustics, together with detailed knowledge of the physical principles and origins of noise and vibration. Even more important, the acoustic engineer has to translate psychoacoustic findings into design changes. Work on end-user products like household appliances and power tools needs to take into account the opinion of the "average listener", i.e. untrained people with everyday experience in acoustics. Sound quality work on OEM goods (as a supplier of components to the motor industry) is more concerned with component noise contributions and encompasses more detailed studies together with expert partners, or professional listeners, on the customer's side. The requirements for the psychoacoustician in industry include the thorough knowledge of the acoustic effects on humans as well as a good technical understanding of machinery noise, of vibration transmission, and radiation; and a feeling for the needs and wishes of the market. [References: 5]
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