ɐn ɐdˈæptɪv fˈɪltɚ jˈuːsᵻz ɐn ˈælɡɚɹˌɪθəm tə mˈæksɪmˌaɪz ðɪ ɐmˈaʊnt ʌvðə stˈoːɹd ˈɔːdɪˌoʊ fˈiːdbæk ðæt kæn biː kˈænsəld
An adaptive filter uses an algorithm to maximize the amount of the stored audio feedback that can be cancelled