December 1, 2010 | Written by: David Bowen

Sound Quality Studies of Front-Loading Washing Machines

This article describes methods that were used for evaluating and designing sound quality improvements on a front-loading washing machine where the primary goals were to evaluate sound quality as determined by actual users and to measure the impact and value of various possible sound modification scenarios. These goals were accomplished in part by convening jury studies where jurors rated the sounds of various “virtual” and existing washing machines to identify and quantify how various components and mechanisms that operate within each cycle/mode of the washer affected consumer perceptions of sound quality expressed in terms of their ratings on the attributes “acceptability” and “overall impression.”

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