AbstractNomenclatureList of Abbreviations4.30.1 Introduction4.30.2 Echo cancellation and postfiltering4.30.3 Echo suppression4.30.4 Multichannel acoustic echo cancellation4.30.5 Nonlinear modeling and cancellation of echo4.30.6 Application to realistic and real systems4.30.7 Links to codes and recommendations4.30.8 Conclusions, open issues, future trendsGlossaryReferences