A hybrid multi-reference subband control strategy for active noise control headphones
A hybrid multi-reference subband control strategy for active noise control headphones
Multi-reference feedforward Active Noise Control (ANC) has been shown to provide increased noise mitigation capability in ANC headphones compared to a single reference feedforward controllers, due to the availability of additional time advanced information. Recent studies have also shown that the integration of a single-reference feedforward controller and a feedback controller increases both the noise cancellation bandwidth and system stability, therefore, a corresponding hybrid version of the multi-reference control strategy has been developed and is presented in this paper. The hybrid multi-reference ANC (HMRANC) system is comprised of a multi-reference feedforward control unit acting in conjunction with a feedback ANC system. In addition, to overcome the high computational demand of the hybrid structure, a delayless subband version of the HMRANC system is also presented in this paper. The proposed HMRANC and delayless subband HMRANC headphone systems achieve an improvement of 5–10 dB over the previously proposed hybrid ANC headphone system for different acoustic field scenarios. Moreover, the delayless subband HMRANC headphone system is 40% less computationally demanding then HMRANC and 10% less demanding than HANC headphone systems.
Active noise control, Delayless subband adaptive filtering, Feedforward systems, Hybrid active noise control
Patel, Vinal
2d968af6-bba7-4f52-94a3-d849451b9fb3
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
1 August 2022
Patel, Vinal
2d968af6-bba7-4f52-94a3-d849451b9fb3
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Patel, Vinal and Cheer, Jordan
(2022)
A hybrid multi-reference subband control strategy for active noise control headphones.
Applied Acoustics, 197, [108932].
(doi:10.1016/j.apacoust.2022.108932).
Abstract
Multi-reference feedforward Active Noise Control (ANC) has been shown to provide increased noise mitigation capability in ANC headphones compared to a single reference feedforward controllers, due to the availability of additional time advanced information. Recent studies have also shown that the integration of a single-reference feedforward controller and a feedback controller increases both the noise cancellation bandwidth and system stability, therefore, a corresponding hybrid version of the multi-reference control strategy has been developed and is presented in this paper. The hybrid multi-reference ANC (HMRANC) system is comprised of a multi-reference feedforward control unit acting in conjunction with a feedback ANC system. In addition, to overcome the high computational demand of the hybrid structure, a delayless subband version of the HMRANC system is also presented in this paper. The proposed HMRANC and delayless subband HMRANC headphone systems achieve an improvement of 5–10 dB over the previously proposed hybrid ANC headphone system for different acoustic field scenarios. Moreover, the delayless subband HMRANC headphone system is 40% less computationally demanding then HMRANC and 10% less demanding than HANC headphone systems.
Text
Hybrid Subband MRANC RV1
- Accepted Manuscript
More information
Accepted/In Press date: 13 July 2022
e-pub ahead of print date: 27 July 2022
Published date: 1 August 2022
Keywords:
Active noise control, Delayless subband adaptive filtering, Feedforward systems, Hybrid active noise control
Identifiers
Local EPrints ID: 468616
URI: http://eprints.soton.ac.uk/id/eprint/468616
ISSN: 0003-682X
PURE UUID: b35e7e93-ef38-4cad-90dd-57c69da97b11
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Date deposited: 18 Aug 2022 17:07
Last modified: 17 Mar 2024 07:27
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Author:
Vinal Patel
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