A hybrid active noise cancelling with secondary path modeling

Edgar Lopez-Gaudana, Pablo Betancourt, Enrique Cruz, Mariko Nakano-Miyatake, Hector Perez-Meana

Research output: Contribution to conferencePaperResearch

4 Citations (Scopus)

Abstract

This paper presents a hybrid active noise cancelling (ANC) system, to overcome the acoustic feedback present in most feedforward ANC system, together with an on line secondary path estimation scheme. The ANC system provides a suitable solution to two important problems present in most ANC systems. The acoustic feedback is reduced using two FIR adaptive filters with feedforward and feedback configurations, respectively; while the secondary path modeling is carried out using a modification of the on line estimation method proposed by Akhtar. Computer simulation results show that the combination of the feedback and feedforward stages provides a fairly good acoustic feedback cancellation, while the secondary path estimation method performs fairly well, providing both a fairly good noise cancelation performance. ©2008 IEEE.
Original languageAmerican English
Pages277-280
Number of pages248
DOIs
StatePublished - 27 Oct 2008
Externally publishedYes
EventMidwest Symposium on Circuits and Systems -
Duration: 27 Oct 2008 → …

Conference

ConferenceMidwest Symposium on Circuits and Systems
Period27/10/08 → …

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Feedback
acoustics
modeling
Acoustics
estimation method
FIR filters
Adaptive filters
computer simulation
filter
Computer simulation

Cite this

Lopez-Gaudana, E., Betancourt, P., Cruz, E., Nakano-Miyatake, M., & Perez-Meana, H. (2008). A hybrid active noise cancelling with secondary path modeling. 277-280. Paper presented at Midwest Symposium on Circuits and Systems, . https://doi.org/10.1109/MWSCAS.2008.4616790
Lopez-Gaudana, Edgar ; Betancourt, Pablo ; Cruz, Enrique ; Nakano-Miyatake, Mariko ; Perez-Meana, Hector. / A hybrid active noise cancelling with secondary path modeling. Paper presented at Midwest Symposium on Circuits and Systems, .248 p.
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Lopez-Gaudana, E, Betancourt, P, Cruz, E, Nakano-Miyatake, M & Perez-Meana, H 2008, 'A hybrid active noise cancelling with secondary path modeling' Paper presented at Midwest Symposium on Circuits and Systems, 27/10/08, pp. 277-280. https://doi.org/10.1109/MWSCAS.2008.4616790

A hybrid active noise cancelling with secondary path modeling. / Lopez-Gaudana, Edgar; Betancourt, Pablo; Cruz, Enrique; Nakano-Miyatake, Mariko; Perez-Meana, Hector.

2008. 277-280 Paper presented at Midwest Symposium on Circuits and Systems, .

Research output: Contribution to conferencePaperResearch

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Lopez-Gaudana E, Betancourt P, Cruz E, Nakano-Miyatake M, Perez-Meana H. A hybrid active noise cancelling with secondary path modeling. 2008. Paper presented at Midwest Symposium on Circuits and Systems, . https://doi.org/10.1109/MWSCAS.2008.4616790