Method, medium, and system for music retrieval using...

Details Method, medium, and system for music retrieval using... Method, medium, and system for music retrieval using...

2006-08-29

2010-10-19

Vo, Huyen X. (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Psychoacoustic

C704S203000, C704S500000

Reexamination Certificate

active

07818167

ABSTRACT:
An audio information retrieval method, medium, and system that can rapidly retrieve audio information, even in noisy environments, by extracting a modulation spectrum that is robust against noise, converting features of the extracted modulation spectrum into hash bits, and using a hash table. The audio information retrieval method may include extracting a modulation spectrum from audio data of a compressed domain, converting the extracted modulation spectrum into fingerprint bits, arranging the fingerprint bits in a form of a hash table, converting a received query into an address by a hash function corresponding to the query, and retrieving the audio information by referring to the hash table.

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