Spatial noise cancellation inside cars: Performance analysis and experimental results

Hanchi Chen; Prasanga Samarasinghe; Thushara D. Abhayapala; Wen Zhang

doi:10.1109/WASPAA.2015.7336947

Spatial noise cancellation inside cars: Performance analysis and experimental results

Hanchi Chen, Prasanga Samarasinghe, Thushara D. Abhayapala, Wen Zhang

Australian National University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

24 Scopus citations

Abstract

A loudspeaker array is a key component in active noise cancellation (ANC) systems. Most in-car ANC systems utilize the car's own integrated loudspeakers to cancel the noise due to engine and other sources. In this paper, we evaluate the integrated loudspeakers' noise cancelling capabilities by analyzing the in-car noise field and the loudspeaker responses. We show that the average noise power in a spatial region can be expressed using a series of coefficients, and that the noise field can be decomposed into several basis noise patterns. Through analysing the measurements in a car, we show that the car's built-in loudspeakers are capable of attenuating the driving noise by up to 30 dB for frequencies up to 500 Hz within a spherical region of 10 cm radius.

Original language	English
Title of host publication	2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479974504
DOIs	https://doi.org/10.1109/WASPAA.2015.7336947
State	Published - 24 Nov 2015
Externally published	Yes
Event	IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015 - New Paltz, United States Duration: 18 Oct 2015 → 21 Oct 2015

Publication series

Name	2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015

Conference

Conference	IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015
Country/Territory	United States
City	New Paltz
Period	18/10/15 → 21/10/15

Keywords

Active noise cancellation
loudspeaker array
sound field analysis
spherical harmonics

Access to Document

10.1109/WASPAA.2015.7336947

Cite this

Chen, H., Samarasinghe, P., Abhayapala, T. D., & Zhang, W. (2015). Spatial noise cancellation inside cars: Performance analysis and experimental results. In 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015 Article 7336947 (2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/WASPAA.2015.7336947

Chen, Hanchi ; Samarasinghe, Prasanga ; Abhayapala, Thushara D. et al. / Spatial noise cancellation inside cars : Performance analysis and experimental results. 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015. Institute of Electrical and Electronics Engineers Inc., 2015. (2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015).

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title = "Spatial noise cancellation inside cars: Performance analysis and experimental results",

abstract = "A loudspeaker array is a key component in active noise cancellation (ANC) systems. Most in-car ANC systems utilize the car's own integrated loudspeakers to cancel the noise due to engine and other sources. In this paper, we evaluate the integrated loudspeakers' noise cancelling capabilities by analyzing the in-car noise field and the loudspeaker responses. We show that the average noise power in a spatial region can be expressed using a series of coefficients, and that the noise field can be decomposed into several basis noise patterns. Through analysing the measurements in a car, we show that the car's built-in loudspeakers are capable of attenuating the driving noise by up to 30 dB for frequencies up to 500 Hz within a spherical region of 10 cm radius.",

keywords = "Active noise cancellation, loudspeaker array, sound field analysis, spherical harmonics",

author = "Hanchi Chen and Prasanga Samarasinghe and Abhayapala, {Thushara D.} and Wen Zhang",

note = "Publisher Copyright: {\textcopyright} 2015 IEEE.; IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015 ; Conference date: 18-10-2015 Through 21-10-2015",

year = "2015",

month = nov,

day = "24",

doi = "10.1109/WASPAA.2015.7336947",

language = "英语",

series = "2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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Chen, H, Samarasinghe, P, Abhayapala, TD & Zhang, W 2015, Spatial noise cancellation inside cars: Performance analysis and experimental results. in 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015., 7336947, 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015, Institute of Electrical and Electronics Engineers Inc., IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015, New Paltz, United States, 18/10/15. https://doi.org/10.1109/WASPAA.2015.7336947

Spatial noise cancellation inside cars: Performance analysis and experimental results. / Chen, Hanchi; Samarasinghe, Prasanga; Abhayapala, Thushara D. et al.
2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7336947 (2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Zhang, Wen

PY - 2015/11/24

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N2 - A loudspeaker array is a key component in active noise cancellation (ANC) systems. Most in-car ANC systems utilize the car's own integrated loudspeakers to cancel the noise due to engine and other sources. In this paper, we evaluate the integrated loudspeakers' noise cancelling capabilities by analyzing the in-car noise field and the loudspeaker responses. We show that the average noise power in a spatial region can be expressed using a series of coefficients, and that the noise field can be decomposed into several basis noise patterns. Through analysing the measurements in a car, we show that the car's built-in loudspeakers are capable of attenuating the driving noise by up to 30 dB for frequencies up to 500 Hz within a spherical region of 10 cm radius.

AB - A loudspeaker array is a key component in active noise cancellation (ANC) systems. Most in-car ANC systems utilize the car's own integrated loudspeakers to cancel the noise due to engine and other sources. In this paper, we evaluate the integrated loudspeakers' noise cancelling capabilities by analyzing the in-car noise field and the loudspeaker responses. We show that the average noise power in a spatial region can be expressed using a series of coefficients, and that the noise field can be decomposed into several basis noise patterns. Through analysing the measurements in a car, we show that the car's built-in loudspeakers are capable of attenuating the driving noise by up to 30 dB for frequencies up to 500 Hz within a spherical region of 10 cm radius.

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Chen H, Samarasinghe P, Abhayapala TD, Zhang W. Spatial noise cancellation inside cars: Performance analysis and experimental results. In 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015. Institute of Electrical and Electronics Engineers Inc. 2015. 7336947. (2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, WASPAA 2015). doi: 10.1109/WASPAA.2015.7336947

Spatial noise cancellation inside cars: Performance analysis and experimental results

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