Abstract: In order to improve the acoustic performance of household appliances, more and more manufacturers have begun to pay attention to the acoustic noise quality of the products. This article first explored the domestic and foreign research on the progress and current status of the household appliances’ acoustic noise quality. Then introduce the test environment and related indicators which were required for household appliances’ acoustic noise quality analysis. Finally, summarize the performance indicators and intentions of the main evaluations of the sound quality.

Key words: Sound quality, Research progress, Test environment, Performance index