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A Sound Quality Study of Household Electrical Appliances by Jury Test inIndoor Space

机译:室内空间陪审团测试对家用电器的音质研究

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This paper establishes a procedure for the evaluation of human hearing perception in indoor spaces by jurytesting. An artificial head system was used to record indoor noise and to determine physical acoustic and psychoacousticparameters within living and working environments. This test involved a jury consisting of 102 people of different ages,genders and occupations. The subjects participated in the sound quality evaluation and from this; indicators of humanperception to sound were obtained.Three types of residential spaces in which to carry out the jury test were selected, including a high-rise apartment, ageneral residential apartment and a small apartment suite. A workspace in the form of a medium-sized meeting room wasalso tested. The paired comparison method and the category judgment method were both utilized in the jury testquestionnaire. The paired comparison method was used to evaluate the psychoacoustic perception of loudness andsharpness, while the category judgment method applied a seven-point scale. Psychoacoustic parameters were used toanalyze human hearing responses; from these, perceived sound quality was established for each subject. Through thistesting procedure, a reasonable sound quality evaluation method was established.
机译:本文建立了一种通过陪审法评估室内空间人类听觉感知的程序。人工头系统用于记录室内噪声并确定生活和工作环境中的物理声学和心理声学参数。该测试涉及由102位不同年龄,性别和职业的人组成的陪审团。受试者参与了声音质量评估,并由此开始;选择了进行陪审团测试的三种类型的住宅空间,包括高层公寓,普通住宅公寓和小公寓套房。还测试了中型会议室形式的工作区。配对比较法和类别判断法都用于陪审团的问卷调查中。配对比较法用于评估响度和清晰度的心理声学感知,而类别判断法则使用七点量表。使用心理声学参数来分析人类的听力反应;由此,为每个对象建立了可感知的声音质量。通过该测试程序,建立了合理的音质评估方法。

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