Telefonaktiebolaget LM Ericsson (publ)
METHOD AND APPARATUS FOR ADAPTIVE CONTROL OF DECORRELATION FILTERS

Abstract:

An audio signal processing method and apparatus for adaptively adjusting a decorrelator. The method comprises obtaining a control parameter and calculating mean and variation of the control parameter. Ratio of the variation and mean of the control parameter is calculated, and a decorrelation parameter is calculated based on the said ratio. The decorrelation parameter is then provided to a decorrelator.