电子音乐中多重音高感知可被主动利用，增强听觉层次感
Methods for pitch analysis in contemporary popular music: multiple pitches from harmonic tones in Vitalic's music
- 通过听觉实验分析合成音色中的多重音高感知机制
- 合成音比真实音更易引发多音高感知，且因人而异
- 适合研究音乐感知、电子音乐创作与音频设计的读者
本研究指出，当代流行音乐中，单一谐波复合音产生多个可感知音高的现象是主动且有意的设计。通过电子音乐人Vitalic等作品中的实例进行说明。研究开展两项听觉测试：(1) 评估单个谐波音中同时感知到的音高数量；(2) 对一系列谐波音序列进行人工音高转录。随后分析信号特征与音高感知之间的关系。结果显示，研究中所用的合成谐波音在感知上呈现的音高数量多于其声学对应物，且听众间差异显著。多个模糊音高与上部泛音突出及特定自相关特性有关。结论表明，在当代流行音乐语境下，谐波音通常能传达多个模糊音高，其感知结果取决于听者个体与听音条件。
原文摘要 · Abstract (English)
Aims. This study suggests that the use of multiple perceived pitches arising from a single harmonic complex tone is an active and intentional feature of contemporary popular music. The phenomenon is illustrated through examples drawn from the work of electronic artist Vitalic and others. Methods. Two listening tests were conducted: (1) evaluation of the number of simultaneous pitches perceived from single harmonic tones, and (2) manual pitch transcription of sequences of harmonic tones. Relationships between signal characteristics and pitch perception were then analyzed. Results. The synthetic harmonic tones found in the musical sequences under study were observed to transmit more perceived pitches than their acoustic counterparts, with significant variation across listeners. Multiple ambiguous pitches were associated with tone properties such as prominent upper partials and particular autocorrelation profiles. Conclusions. Harmonic tones in a context of contemporary popular music can, in general, convey several ambiguous pitches. The set of perceived pitches depends on both the listener and the listening conditions.
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