FIELD: audio processing.
SUBSTANCE: multi-channel audio signal is received. The multichannel audio signal is processed to obtain the first set of spatial audio components representing the intermediate signal. The first set of spatial audio components is processed to obtain a second set of spatial audio components representing the playback signals of the loudspeakers. Echo suppression is performed by using the first set of spatial audio components or a deviation version of the first set of spatial audio components as a reference signal and by using at least one received microphone signal. The deviation version is obtained by using a spatial component combining unit or by performing processing, in particular linear processing.
EFFECT: increase of efficiency of echo suppression.
17 cl, 4 dwg
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| AUDIO APPARATUS AND METHOD THEREFOR | 2014 |
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| BINAURAL AUDIO PROCESSING | 2014 |
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