简单音调二音组的听觉研究:频率比与音高
Psychoacoustic study of simple-tone dyads: frequency ratio and pitch
AI总结:
本研究通过正弦音组成的二音组探讨频率比和音高对和谐感知的影响,发现平均频率增加导致偏好下降,音乐家在某些音程上更积极,高频率敏感性因性别和年龄而异。
摘要:
本研究探讨了听众对由简单(正弦)音组成的二音组中和谐与不和谐感知的影响因素,重点研究频率比(R)和平均频率(F)的作用。70名成人参与者按音乐训练、性别和年龄组分类,对随机排列的二音组进行二元偏好评分('喜欢'或'不喜欢')。二音组代表标准西方音程,但使用正弦音而非音乐音符,保持了音程比,同时改变绝对音高。统计分析显示,随着平均频率的增加,偏好程度一致下降,无论音程类别或参与者群体如何。八度、五度、四度和六度在增加F时偏好程度几乎呈线性下降。大二度是 least preferred 的。音乐家在八度和某些和谐音程上比非音乐家更积极评价,而性别和年龄组在高频率敏感性上表现出不同特征。研究结果表明,音程结构和音高范围共同塑造了简单音调二音组的和谐感知,可能的听觉解释涉及频率敏感性和高频率的听觉疲劳。
英文摘要:
This study investigates how listeners perceive consonance and dissonance in dyads composed of simple (sine) tones, focusing on the effects of frequency ratio ($R$) and mean frequency ($F$). Seventy adult participants - categorized by musical training, gender, and age group - rated randomly ordered dyads using binary preference responses (``like'' or ``dislike''). Dyads represented standard Western intervals but were constructed with sine tones rather than musical notes, preserving interval ratios while varying absolute pitch. Statistical analyses reveal a consistent decrease in preference with increasing mean frequency, regardless of interval class or participant group. Octaves, fifths, fourths, and sixths showed a nearly linear decline in preference with increasing $F$. Major seconds were among the least preferred. Musicians rated octaves and certain consonant intervals more positively than non-musicians, while gender and age groups exhibited different sensitivity to high frequencies. The findings suggest that both interval structure and pitch range shape the perception of consonance in simple-tone dyads, with possible psychoacoustic explanations involving frequency sensitivity and auditory fatigue at higher frequencies.
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