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Matched Legal Cases: ['application No. 2002248431', 'application No. 2002248431', 'application No. 2002307533', 'application No. 2002307533', 'application No. 2002252143', 'application No. 2002252143', 'Application No. 02808144', 'Application No. 02808144', 'Application No. 02810671', 'Application No. 02810671', 'Application No. 02810672', 'Application No. 02810672', 'Application No. 02810671', 'Application No. 02810671', 'Application No. 02808144', 'Application No. 02808144', 'Application No. 0281671', 'Application No. 02809542', 'Application No. 02809542', 'Application No. 02810671', 'Application No. 02810671', 'Application No. 02810670', 'Application No. 02810670', 'Application No. 02809542', 'Application No. 02809542', 'Application No. 02810672', 'Application No. 02810672', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 05', 'Application No. 05', 'Application No. 01490', 'Application No. 01490', 'Application No. 1308', 'Application No. 1308', 'Application No. 01487', 'Application No. 01487', 'Application No. 01490', 'Application No. 01490', 'Application No. 01487', 'Application No. 01487', 'Application No. 01490', 'Application No. 01490']

Patent US7711123 - Segmenting audio signals into auditory events - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsIn one aspect, the invention divides an audio signal into auditory events, each of which tends to be perceived as separate and distinct, by calculating the spectral content of successive time blocks of the audio signal (5-1), calculating the difference in spectral content between successive time blocks...http://www.google.com/patents/US7711123?utm_source=gb-gplus-sharePatent US7711123 - Segmenting audio signals into auditory eventsAdvanced Patent SearchPublication numberUS7711123 B2Publication typeGrantApplication numberUS 10/478,538PCT numberPCT/US2002/005999Publication dateMay 4, 2010Filing dateFeb 26, 2002Priority dateApr 13, 2001Fee statusPaidAlso published asUS8488800, US8842844, US20040165730, US20100185439, US20130279704Publication number10478538, 478538, PCT/2002/5999, PCT/US/2/005999, PCT/US/2/05999, PCT/US/2002/005999, PCT/US/2002/05999, PCT/US2/005999, PCT/US2/05999, PCT/US2002/005999, PCT/US2002/05999, PCT/US2002005999, PCT/US200205999, PCT/US2005999, PCT/US205999, US 7711123 B2, US 7711123B2, US-B2-7711123, US7711123 B2, US7711123B2InventorsBrett G. CrockettOriginal AssigneeDolby Laboratories Licensing CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (90), Non-Patent Citations (180), Referenced by (17), Classifications (20), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetSegmenting audio signals into auditory eventsUS 7711123 B2Abstract In one aspect, the invention divides an audio signal into auditory events, each of which tends to be perceived as separate and distinct, by calculating the spectral content of successive time blocks of the audio signal (5-1), calculating the difference in spectral content between successive time blocks of the audio signal (5-2), and identifying an auditory event boundary as the boundary between successive time blocks when the difference in the spectral content between such successive time blocks exceeds a threshold (5-3). In another aspect, the invention generates a reduced-information representation of an audio signal by dividing an audio signal into auditory events, each of which tends to be perceived as separate and distinct, and formatting and storing information relating to the auditory events (5-4). Optionally, the invention may also assign a characteristic to one or more of the auditory events (5-5).
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