Abstract

This paper presents a method for identifying path transfer function components from the estimate by adaptive filter in both adaptive noise cancelling (ANC) and beamformer. Analysis shows that adaptive filter in ANC estimates subtracted value between two transfer function components. On the other hand, it differently shows that adaptive filter in beamformer estimates added value between two transfer function components. Hence, it gives initiative to identify each transfer function component from two estimates by each adaptive filter in between ANC and beamformer. Therefore, it will be shown that each component value in two path transfer functions can be identified by the estimates from adaptive filters on the operation in a proposed circuit design based on ANC and beamformer structures.

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