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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.08224 |
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| _version_ | 1866917474272804864 |
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| author | Seltenreich, Michael |
| author_facet | Seltenreich, Michael |
| contents | We propose a continuous measure of tonal ambiguity that extends the established concept of uniqueness. While uniqueness is widely regarded as necessary for tonality, it cannot (i) discriminate among sets that possess it, (ii) capture hierarchical organization in modes of limited transposition, or (iii) account for temporal unfolding. To address these limitations, we introduce a companion measure, grounded in information theory, that quantifies tonal ambiguity on a continuous scale. The measure applies across pitch-class sets and tuning systems, expanding analytic coverage of tonal relationships and offering a practical tool for theory and analysis. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_08224 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Uniqueness on a Continuum: Quantifying Tonal Ambiguity Using Information Theory Seltenreich, Michael Information Theory Sound History and Overview 00A65, 94A17 We propose a continuous measure of tonal ambiguity that extends the established concept of uniqueness. While uniqueness is widely regarded as necessary for tonality, it cannot (i) discriminate among sets that possess it, (ii) capture hierarchical organization in modes of limited transposition, or (iii) account for temporal unfolding. To address these limitations, we introduce a companion measure, grounded in information theory, that quantifies tonal ambiguity on a continuous scale. The measure applies across pitch-class sets and tuning systems, expanding analytic coverage of tonal relationships and offering a practical tool for theory and analysis. |
| title | Uniqueness on a Continuum: Quantifying Tonal Ambiguity Using Information Theory |
| topic | Information Theory Sound History and Overview 00A65, 94A17 |
| url | https://arxiv.org/abs/2605.08224 |