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| Détection de la tonalité musicale× | Suivi du tempo× | |
|---|---|---|
| Domaine | Recherche d'information musicale | Recherche d'information musicale |
| Famille | Machine learning | Machine learning |
| Année d'origine≠ | 2006 | 2007 |
| Auteur d'origine≠ | Emilia Gómez | David P. Ellis |
| Type≠ | Tonal center estimation | Audio signal processing algorithm |
| Source fondatrice≠ | Gómez, E. (2006). Tonal description of polyphonic audio for music content processing. In INESC Porto PhD Thesis. link ↗ | Ellis, D. P. (2007). Beat tracking by dynamic programming. Journal of New Music Research, 36(1), 51-60. DOI ↗ |
| Alias | key recognition, tonality estimation, musical center detection | pulse detection, beat detection, metrical analysis |
| Apparentées | 5 | 5 |
| Résumé≠ | Musical key detection is the task of automatically determining the key (tonal center) and scale mode of a musical composition from its audio. Introduced formally by Gómez (2006), it is essential for music analysis, transposition, harmonic understanding, and music theory education. The key defines the tonal center around which a piece gravitates; identifying it enables deeper structural understanding. Key detection is closely related to chord recognition but operates at a higher level of abstraction. | Beat tracking is an algorithm for automatically identifying the temporal positions of musical beats in audio recordings. It has been widely studied since the early 2000s, particularly for rhythm analysis and music synchronization applications. The problem is central to music information retrieval and essential for music-aware systems. |
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