Procedure for determination of an acceptability parameter or acoustic index for the level of noise generated by domestic appliances by division of the number of people finding a noise level acceptable by the total people asked

摘要

Procedure involves determination of an acoustic index which is equal to the ratio of the number of people finding the level of noise produced by a domestic appliance acceptable to the total number of people asked. Expressed as a percentage 100 percent would represent all people in the sample finding the noise level acceptable.