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Performance Improvement of the Analog ANC Circuit for a Duct by Insertion of an All-Pass Filter

Tatsuki HYODO, Gaku ASAKURA, Kiwamu TSUKADA, Masashi KATO

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Summary :

This letter proposes an analog active noise control (ANC) circuit with an all-pass filter (APF). To improve performance of the previously reported analog ANC circuit, we inserted an APF to the circuit in order to fit phases of a noise and an electrical signal in the circuit. As a result, we confirmed improvement of the noise canceling effect of the analog ANC circuit.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.4 pp.824-825
Publication Date
2013/04/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.824
Type of Manuscript
LETTER
Category
Noise and Vibration

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