The objectives of this study were to determine the effect of musical background on both pitch discrimination abilities and the reliability of judging voice quality in dysphonic speakers, and to determine the relationship between pitch discrimination abilities and the reliability of voice quality judgments. Twenty musicians and 20 nonmusicians performed pitch discrimination tests. They also made judgments of dysphonic vowels and speech samples for breathiness and roughness using 100-mm visual analog scales. Musicians demonstrated significantly smaller pitch discrimination thresholds than nonmusicians. For measures of intrarater agreement, musicians were significantly more consistent than nonmusicians for judgments of breathiness in both vowels and speech produced by dysphonic speakers. Musicians also showed significantly better interrater agreement for judgments of breathiness in vowels. Weak to moderate relationships were found between pitch discrimination abilities and agreement values for voice quality judgments. Results suggest that musical background may affect a listener's reliability in making judgments of dysphonia, particularly for judgments of breathiness. However, simple pitch discrimination skills of pure tones do not explain these differences. More complex stimuli should be used in future investigations to help determine the nature of underlying differences.

译文

这项研究的目的是确定音乐背景对音高辨别能力和判断语音质量的可靠性的影响,并确定音高辨别能力与语音质量判断可靠性之间的关系。20位音乐家和20位非音乐家进行了音高辨别测试。他们还使用100毫米视觉模拟标度来判断呼吸困难的元音和语音样本的呼吸和粗糙度。音乐家表现出比非音乐家小得多的音高辨别阈值。对于内部协议的衡量标准,音乐家在语音发音者产生的元音和语音的呼吸判断方面比非音乐家更加一致。音乐家在判断元音的呼吸方面也表现出更好的内部一致性。在音高辨别能力和语音质量判断的一致性值之间发现了弱到中等的关系。结果表明,音乐背景可能会影响听众对发声障碍的判断的可靠性,尤其是对呼吸的判断。但是,纯音的简单音高辨别技巧并不能解释这些差异。在未来的研究中应使用更复杂的刺激来帮助确定潜在差异的性质。

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