A multi-channel acoustic echo suppression model(MCAESM) via second-order blind signal separation(BSS) is proposed.It avoids the inherent non-uniqueness problem in multi-channel acoustic echo cancellation due to strongly cross-correlated acoustic echo-source signals.On the contrary,it makes full use of the cross-correlativity to remove these acoustic echoes.In this model,the multi-channel acoustic echoes from each microphone signal can be effectively separated and suppressed by employing only one additional ...
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