Dissonance Spectrum explicitly models perceptual frequency interactions for better music understanding
Conventional music representations describe acoustic energy over time and frequency but do not explicitly expose relations among simultaneous frequency components. We introduce the \emph{Dissonance Spectrum} (DS), a nonnegative time--frequency representation that applies a tolerance-based rational pitch-relation kernel with logarithmic harmonic distance to a constant-Q spectrum and attributes aggregate pairwise interactions back to individual frequency bins. Controlled music-theory tests show strong ordinal agreement for intervals, harmonic-function connections, and church modes, and weaker but significant agreement across diverse chord voicings. DS is then encoded by a lightweight parall...
| Authors | Tianle Wang, Xinyi Tong, Liangke Zhao et al. |
|---|---|
| Primary category | cs.SD |
| Published | 26 August 2026 |
| Last updated at source | 26 August 2026 |
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