Geller D, Margolis R H
J Speech Hear Res. 1984 Mar;27(1):20-7. doi: 10.1044/jshr.2701.20.
Three experiments were conducted to explore the utility of magnitude estimation of loudness for hearing aid selection. In Experiment 1 the loudness discomfort level (LDL), most comfortable loudness (MCL), and magnitude estimations (MEs) of loudness were obtained from normal-hearing subjects. MCLs fell within a range of loudness that was relatively low on the loudness function. The LDLs were lower than previously published values. Experiment 2 was performed to identify the source of disparity between our LDL data and previously reported results. The effects of instructions are demonstrated and discussed. In Experiment 3 magnitude estimations of loudness were used to determine the loudness of tonal stimuli selected to represent 1/3 octave band levels of speech. Over the 500-4000 Hz range, the contributions of the various frequency regions to the loudness of speech appears to be nearly constant. Methods are proposed for (a) predicting the frequency-gain response of a hearing aid that restores normal loudness for speech for the hearing-impaired listener and (b) psychophysically evaluating the compression characteristic of a hearing aid.
进行了三项实验，以探究响度大小估计法在助听器选择中的效用。在实验1中，从听力正常的受试者那里获得了响度不适阈（LDL）、最舒适响度（MCL）以及响度大小估计值（ME）。MCL处于响度函数上相对较低的响度范围内。LDL低于先前公布的值。进行实验2是为了确定我们的LDL数据与先前报告结果之间差异的来源。展示并讨论了指示的影响。在实验3中，响度大小估计法被用于确定为代表语音的1/3倍频程频段水平而选择的音调刺激的响度。在500 - 4000赫兹范围内，各个频率区域对语音响度的贡献似乎几乎是恒定的。提出了一些方法，用于（a）预测能为听力受损的聆听者恢复正常语音响度的助听器的频率增益响应，以及（b）从心理物理学角度评估助听器的压缩特性。
