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Fig. 5 | EURASIP Journal on Advances in Signal Processing

Fig. 5

From: Significance-aware filtering for nonlinear acoustic echo cancellation

Fig. 5

SA-HGM for efficient nonlinear system identification: the temporal support modeled by the filters is color-coded by the squares below the IR symbols h . White squares indicate unmodeled temporal support and red and blue squares represent modeled support corresponding to the direct path and the complementary region, respectively. Typically, \(\hat {y}_{\text {SA}}\)(k) is employed as final echo estimate

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