APPARATUS, METHOD AND COMPUTER PROGRAM FOR PROVIDING ADJUSTED PARAMETERS FOR PROVISION OF UPMIX SIGNAL REPRESENTATION ON BASIS OF A DOWNMIX SIGNAL REPRESENTATION AND PARAMETRIC SIDE INFORMATION ASSOCIATED WITH DOWNMIX SIGNAL REPRESENTATION, USING AN AVERAGE VALUE

摘要

FIELD: acoustics; data processing.;SUBSTANCE: invention relates to mixing. Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation, on basis of a downmix signal representation and parametric side information associated with downmix signal representation, using an average value of parameters, including a parameter adjuster configured to receive one or more parameters and to provide, on basis thereof, one or more adjusted parameters, wherein the parameter adjuster is configured to provide one or more adjusted parameters depending on an average value of a plurality of parameter values, such that a distortion of upmix signal representation caused by use of non-optimal parameters for provision of upmix signal representation is reduced, at least for one or more parameters deviating from optimum parameters is greater than a predetermined deviation.;EFFECT: elimination of audible distortions in signal.;22 cl, 10 dwg