Analysis of Chord Progression by HPSG
Analysis of Chord Progression by HPSG
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HPSG 的和弦进行分析
DOI：
10.5555/1166890.1166942
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发表时间：
2006
期刊：
影响因子：
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通讯作者：
M. Nishida
中科院分区：
文献类型：
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作者：
S. Tojo;Yoshinori Oka;M. Nishida
本文提出了一个中心语驱动短语结构语法（HPSG）中的和弦进行分析系统。有人说，音乐的结构与自然语言句子的结构有些相似。当我们尝试在上下文无关语法中编写和弦进行规则时，我们需要为琐碎的异常添加大量规则。然而，在HPSG中，我们可以将这种多样性封装在每个类别的特征结构中，并可以减少规则的数量。此外，我们还可以利用作为低级概念的主要组成部分的中心概念来表示音乐学中的各种层次知识。我们表明，我们的系统充分解决了从一个给定的序列的和弦的关键和和弦的进展之间的相互依赖性，系统输出的候选人的似是而非的和谐序列。我们评估了实验结果，并讨论了我们的方法的问题和未来的扩展。
In this paper, we will present an analysis system of chord progression in HPSG (Head-Driven Phrase Structure Grammar). It is said that the structure of music is somewhat similar to that of natural language sentences. When we try to write rules for chord progression in context-free grammar, we need to add a lot of rules for trivial exceptions. However in HPSG, we can encapsulate such diversity in the feature structure of each category and can reduce the number of rules. In addition, we can utilize the notion of head, which is the prime constituent in lower concepts, to represent various hierarchical knowledge in musicology. We show that our system adequately resolves the mutual dependency between the key and the chord progression from a given sequences of chords, and that the system outputs the candidates of plausible harmony sequences. We evaluate the experimental results, and discuss the problems and the future extension of our method.