METHOD AND APPARATUS FOR DECOMPOSING A STEREO RECORDING USING FREQUENCY-DOMAIN PROCESSING EMPLOYING A SPECTRAL WEIGHTS GENERATOR

METHOD AND APPARATUS FOR DECOMPOSING A STEREO RECORDING USING FREQUENCY-DOMAIN PROCESSING EMPLOYING A SPECTRAL WEIGHTS GENERATOR

An apparatus for generating a stereo side signal having a first side channel and a second side channel from a stereo input signal having a first input channel and a second input channel is provided. The apparatus comprises a modification information generator (110) for generating modification inform...

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Hauptverfasser: PROKEIN, PETER, FINAUER, STEFAN, UHLE, CHRISTIAN, HELLMUTH, OLIVER, GAMPP, PATRICK, STÖCKLMEIER, CHRISTIAN
Format: Patent
Sprache:eng ; fre ; ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
STEREOPHONIC SYSTEMS
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creator PROKEIN, PETER
FINAUER, STEFAN
UHLE, CHRISTIAN
HELLMUTH, OLIVER
GAMPP, PATRICK
STÖCKLMEIER, CHRISTIAN
description An apparatus for generating a stereo side signal having a first side channel and a second side channel from a stereo input signal having a first input channel and a second input channel is provided. The apparatus comprises a modification information generator (110) for generating modification information based on mid-side information. Furthermore, the apparatus comprises a signal manipulator (120) being adapted to manipulate the first input channel based on the modification information to obtain the first side channel and being adapted to manipulate the second input channel based on the modification information to obtain the second side channel. The modification information generator (110) comprises a spectral subtractor (115) for generating the modification information by generating a difference value indicating a difference between a mono mid signal or a mono side signal of the stereo input signal and the first or the second input channel.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
STEREOPHONIC SYSTEMS
title METHOD AND APPARATUS FOR DECOMPOSING A STEREO RECORDING USING FREQUENCY-DOMAIN PROCESSING EMPLOYING A SPECTRAL WEIGHTS GENERATOR
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