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Perception of isolated chords: Examining frequency of occurrence, instrumental timbre, acoustic descriptors and musical training

机译:对孤立和弦的感知:检查发生频率,乐器音色,声学描述符和音乐训练

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摘要

This study investigated the perception of isolated chords using a combination of experimental maipulation and exploratory analysis. Twelve types of chord (five triads and seven tetrads) were presented in two instrumental timbres (piano and organ) to listeners who rated the chords for consonance, pleasantness, stability and relaxation. Listener ratings varied by chord, by timbre, and according to musical expertise, and revealed that musicians distinguish consonance from the other variables in a way that other listeners did not. To further explain the data, a principal component analysis and linear regression examined three potential predictors of the listener ratings. First, each chord’s frequency of occurrence was obtained by counting its appearances in selected works of music. Second, listeners rated their familiarity with the instrumental timbre in which the chord was played. Third, chords were described using a set of acoustic features derived using the Timbre Toolbox and MIR Toolbox. Results of the study indicated that listeners’ ratings of both consonance and stability were influenced by the degree of musical training and knowledge of tonal hierarchy. Listeners’ ratings of pleasantness and relaxation, on the other hand, depended more on the instrumental timbre and other acoustic descriptions of the chord.
机译:这项研究结合了实验操作和探索性分析,研究了孤立和弦的感知。十二种类型的和弦(五个三重音和七个四重奏)以两种乐器音色(钢琴和风琴)呈现给听众,听众对和弦的谐音,愉悦,稳定和放松进行了评级。收听者的等级会根据和弦,音色以及音乐专业知识的不同而变化,并显示出音乐家将谐音与其他变量区分开来,而其他收听者则没有。为了进一步解释数据,主成分分析和线性回归检查了收听者评分的三个潜在预测指标。首先,通过计算每个和弦在选定音乐作品中的出现次数,可以得出每个和弦的出现频率。其次,听众评价他们对和弦演奏的音色的熟悉程度。第三,通过使用Timbre Toolbox和MIR Toolbox导出的一组声学特征来描述和弦。研究结果表明,听众对谐音和稳定性的评定受音乐训练程度和音调等级知识的影响。另一方面,听众对愉悦和放松的评价更多地取决于乐器音色和和弦的其他声学描述。

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