Patent ID: 6201176
Filing Date: 2001-03-13
Classification: G06F

Abstract:
A method for querying a music database, which contains a plurality of pieces of music, the method comprising steps of:classifying, using feature extraction on said plurality of pieces of music using steps of:(i) segmenting each piece of music into a plurality of windows;(ii) extracting at least one characteristic feature in each of said windows; and(iii) indexing said each piece of music dependent upon extracted features;forming a request which specifies (i) at least one of a name of a piece of music and features characterizing the piece of music, and (ii) at least one conditional expression;comparing the features characterizing the specified piece of music to corresponding features characterizing other pieces of music in the database;calculating corresponding distances between the specified piece of music and the other pieces of music based on comparisons; andidentifying pieces of music which are at distances from the specified piece of music which satisfy the at least one conditional expression.