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	Misura di Similarità Musicale	Analisi del timbro
Campo	Recupero dell'informazione musicale	Recupero dell'informazione musicale
Famiglia	Machine learning	Machine learning
Anno di origine	2001	1977
Ideatore	Beth Logan	John M. Grey
Tipo	Content-based audio similarity	Acoustic feature extraction and analysis
Fonte seminale	Logan, B., & Salomon, A. (2001). A music similarity function based on song structure. In Proceedings of the International Conference on Music Information Retrieval.	Grey, J. M. (1977). Multidimensional perceptual scaling of musical timbres. The Journal of the Acoustical Society of America, 61(5), 1270-1277.
Alias	music distance metric, timbral similarity, content-based similarity	tone color analysis, spectral characterization, timbre descriptor extraction
Correlati	5	5
Sintesi	Music similarity measures are computational methods for assessing how musically related two audio recordings are. Introduced by Logan (2001), similarity measures enable content-based music recommendation, playlist generation, and music discovery. Unlike fingerprinting, which identifies the same song, similarity measures gauge stylistic, timbral, and structural resemblance between different songs. Measures can be acoustic (comparing spectral features), high-level (genre, mood), or hybrid.	Timbre analysis is the computational characterization and modeling of tone color—the perceived quality that distinguishes one instrument from another even at the same pitch and loudness. Pioneered by Grey (1977), timbre analysis extracts acoustic descriptors that characterize spectral shape, temporal dynamics, and harmonic content. It underlies instrument identification, music similarity assessment, and audio retrieval. Unlike melody and rhythm, timbre is high-dimensional and context-dependent, making it one of the most challenging aspects of music analysis.