Patent ID: 9124963
Filing Date: 2015-09-01
Classification: H03H,H04R

Abstract:
1. A method for the adaptive filtering of an audio signal, the method which comprises: transforming the audio signal by a first transformation stage and thereby generating a sub-band signal in each of a plurality of channels; and in at least some of the plurality of channels, adaptively filtering the respective sub-band signal by a filter unit of the channel, and thereby in the channel: wherein, with regard to at least one of the filter units, the weighting factor of at least one sub-channel is defined by calculation depending on the signal of the sub-channel itself and the calculated weighting factor is transferred by the filter unit to at least one other filter unit, and with regard to the at least one other filter unit, the weighting factor of at least one sub-channel is defined on the basis of the received, calculated weighting factor.