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	Miara podobieństwa muzycznego	Analiza barwy dźwięku
Dziedzina	Wyszukiwanie informacji muzycznych	Wyszukiwanie informacji muzycznych
Rodzina	Machine learning	Machine learning
Rok powstania	2001	1977
Twórca	Beth Logan	John M. Grey
Typ	Content-based audio similarity	Acoustic feature extraction and analysis
Źródło pierwotne	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.
Inne nazwy	music distance metric, timbral similarity, content-based similarity	tone color analysis, spectral characterization, timbre descriptor extraction
Pokrewne	5	5
Podsumowanie	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.