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Patent Searching and Data


Title:
SOUND CHARACTERISATION AND/OR IDENTIFICATION BASED ON PROSODIC LISTENING
Document Type and Number:
WIPO Patent Application WO2002079744
Kind Code:
A3
Abstract:
Vocal and vocal-like sounds can be characterised and/or identified by using an intelligent classifying method adapted to determine prosodic attributes of the sounds and base a classificatory scheme upon composite functions of these attributes, the composite functions defining a discrimination space. The sounds are segmented before prosodic analysis on a segment by segment basis. The prosodic analysis of the sounds involves pitch analysis, intensity analysis, formant analysis and timing analysis. This method can be implemented in systems including language-identification and singing-style-identification systems.

Inventors:
MIRANDA EDUARDO RECK (FR)
Application Number:
PCT/EP2002/003488
Publication Date:
December 12, 2002
Filing Date:
March 26, 2002
Export Citation:
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Assignee:
SONY FRANCE SA (FR)
MIRANDA EDUARDO RECK (FR)
International Classes:
G10L15/18; (IPC1-7): G01L15/00; G10H1/00; G10L17/00
Foreign References:
EP1076329A22001-02-14
US5636325A1997-06-03
Other References:
GERHARD D: "Audio Signal Classification", PHD DEPTH PAPER, SIMON FRASER UNIVERSITY, 23 February 2000 (2000-02-23), XP002170894
CAREY MICHAEL J ET AL: "Robust prosodic features for speaker identification", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SPOKEN LANGUAGE PROCESSING, XX, XX, vol. 3, 3 October 1996 (1996-10-03), pages 1800 - 1803, XP002170895
WOLD E ET AL: "Content-based classification, search, and retrieval of audio", IEEE MULTIMEDIA, IEEE COMPUTER SOCIETY, US, vol. 3, no. 3, 1996, pages 27 - 36, XP002154735, ISSN: 1070-986X
DE BRUIN J C ET AL: "Automatic language recognition based on discriminating features in pitch contours", PROCEEDINGS OF THE 1993 IEEE SOUTH AFRICAN SYMPOSIUM ON COMMUNICATIONS AND SIGNAL PROCESSING, 1993 IEEE SOUTH AFRICAN SYMPOSIUM ON COMMUNICATIONS AND SIGNAL PROCESSING, JAN SMUTS AIRPORT, SOUTH AFRICA, JUNE 1908, Feb. 1994, New York, NY, USA, IEEE, USA, pages 133 - 138, XP002214746, ISBN: 0-7803-1292-9
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