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	Rilevamento della tonalità musicale	Riconoscimento dell'Accordo
Campo	Recupero dell'informazione musicale	Recupero dell'informazione musicale
Famiglia	Machine learning	Machine learning
Anno di origine	2006	2005
Ideatore	Emilia Gómez	Christopher Harte
Tipo	Tonal center estimation	Harmonic audio analysis
Fonte seminale	Gómez, E. (2006). Tonal description of polyphonic audio for music content processing. In INESC Porto PhD Thesis.	Harte, C., Sandler, M. B., Abdallah, S. A., & Gómez, E. (2005). Symbolic representation of musical chords: Proposed extensions to the HarmO ontology. In Proceedings of the International Society for Music Information Retrieval Conference.
Alias	key recognition, tonality estimation, musical center detection	chord estimation, harmonic analysis, chord detection
Correlati	5	5
Sintesi	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.	Chord recognition is the task of automatically identifying the harmonic chords present in a musical recording and estimating when chord changes occur. Introduced formally by Harte et al. (2005), it is a cornerstone of music analysis and widely used in music education, cover song analysis, and musical structure understanding. Modern systems use deep learning to classify and sequence chords in real time.