Post-filter for beamforming means

摘要

The present invention relates to a method for speech signal processing, comprising detecting a speech signal by more than one microphone to obtain microphone signals (x 1 , x 2 ); processing the microphone signals (x 1 , x 2 ) by a beamforming means (2) to obtain a beamformed signal (X BF ); post-filtering the beamformed signal (X BF ) by a post-filtering means (6) comprising adaptable filter weights to obtain an enhanced beamformed signal (X P ) and adapting the filter weights of the post-filtering means (6) by means of previously learned filter weights.