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Echo Cancellation : the generalized likelihood ratio test for double-talk vs. channel change

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Figure

Fig. 1. Basic EC structure.
Fig. 2. P versus P for the LRT (top curves—black) and GLRT (bottom curves—red). One-sample case
Fig. 6. ROCs for the LRT in the case of p samples. Top: orthogonal channels, Bottom: channels with 1 = 1
Fig. 7. LRT-based EC performance for synthetic data. (Top) MSE. (Middle) Number of transfers from the shadow filter to the main filter
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