FIELD: information technologies, processing of audio-signals, in particular, method for recognition of music compositions and device for realization thereof.
SUBSTANCE: in accordance to method, determined are a set of values Ln and degree of likeness L of musical composition and recorded musical fragment as maximal value among values Ln, musical composition is found in database in Q stages, while at each stage a set of musical compositions is selected with greatest likeness degrees, on completion of last search stage, as composition matching recorded fragment, musical composition for which maximal likeness degree had been produced is selected, degree of reliability of recognition of musical fragment is calculated and compared to threshold, if calculated value of reliability degree of musical fragment recognition exceeds given threshold, then recorded musical composition is considered recognized.
EFFECT: fast reliable identification of music composition based on processing a record of its fragment, due to determining size and quality of resulting record of musical fragment, original algorithm for finding music composition matching recorded musical fragment.
2 cl, 7 dwg
Authors
Dates
2007-03-10—Published
2005-07-26—Filed