APPARATUS ANDMETHOD FOR GENERATING AUDIO SUBBAND VALUES AND APPARATUS AND METHOD FOR GENERATING TIME-DOMAIN AUDIO SAMPLES

Malaysia Patent

PATENT NO 142520
SERIAL NO

PI20091422

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Abstract

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APPARATUS AND METHOD FOR GENERATING AUDIO SUBBAND VALUES AND APPARATUS AND METHOD FOR GENERATING TIME-DOMAIN AUDIO 5 SAMPLES AN EMBODIMENT OF AN APPARATUS (100) FOR GENERATING AUDIO SUBBAND VALUES IN AUDIO SUBBAND CHANNELS COMPRISES AN ANALYSIS WINDOWER (110) FOR WINDOWING A FRAME (120) OF 10 TIME-DOMAIN AUDIO INPUT SAMPLES BEING IN A TIME SEQUENCE EXTENDING FROM AN EARLY SAMPLE TO A LATER SAMPLE USING AN ANALYSIS WINDOW FUNCTION (190) COMPRISING A SEQUENCE OF WINDOW COEFFICIENTS TO OBTAIN WINDOWED SAMPLES. THE ANALYSIS WINDOW FUNCTION (190) COMPRISES A FIRST GROUP 15 (200) OF WINDOW COEFFICIENTS AND A SECOND GROUP (210) OF WINDOW COEFFICIENTS. THE FIRST GROUP (200) OF WINDOW COEFFICIENTS IS USED FOR WINDOWING LATER TIME-DOMAIN SAMPLES AND THE SECOND GROUP (210) OF WINDOW COEFFICIENTS IS USED FOR WINDOWING AN EARLIER TIME-DOMAIN SAMPLES. THE 20 APPARATUS (100) FURTHER COMPRISES A CALCULATOR (170) FOR CALCULATING THE AUDIO SUBBAND VALUES USING THE WINDOWED SAMPLES. 25

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Patent Owner(s)

Patent OwnerAddress
FRAUNHOFER GES FORSCHUNGDEMUNICH GERMANY

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Inventor(s)

Inventor Name Address
MARKUS SCHNELL DE
MARKUS MULTRUS ETZLAUBWEG 7 90409 NÜRNBERG -ALEMANHA DE
RALF GEIGER DE
MANFRED LUTZKY HEINRICH-VON-BRENTANO-STRASSE 9 90427 NÜRNBERG DE
GRILL BERNHARD 91058 ERLANGEN
GERALD SCHULLER LEOPOLDSTRASSE 13 99089 ERFURT DE
BERND EDLER HEMELINGSTR 10 30419 HANNOVER - ALEMANHA DE
MARKUS LOHWASSER WESTPREUBENSTR 3B 91217 HERSBRUCK GERMANY
MICHAEL MELLAR DE
MARC GAYER HAAGSTRASSE 32 91054 ERLANGEN GERMANY
MARKUS SCHMIDT LOCHGAU DE

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