Sound Zones as an Optimal Filtering Problem

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Resumé

The design of so-called sound zones is a fairly old idea which has recently gained some research attention. The idea is to control a loudspeaker array to reproduce a desired sound field in certain regions. In this paper, we show how the sound zone control problem can be solved using techniques from speech enhancement. Specifically, we first describe in detail the recently introduced variable span linear filtering (VSLF) framework which unifies the popular optimal filtering and subspace-based approaches to speech enhancement. We then show how the sound zone control problem can be solved using the VSLF framework and how a number of well-known sound zone control methods can be viewed as special cases of this solution. We also discuss in detail the differences between the speech enhancement problem and the sound zone control problem and argue that the VSLF framework is actually even better suited for controlling sound zones than for enhancing speech.
OriginalsprogEngelsk
Titel2018 52nd Asilomar Conference on Signals, Systems, and Computers
Antal sider5
ForlagIEEE
Publikationsdato2018
ISBN (Trykt)978-1-5386-9218-9
ISBN (Elektronisk)978-1-5386-9216-5, 978-1-5386-9217-2, 978-1-5386-9219-6
DOI
StatusUdgivet - 2018
BegivenhedAsilomar Conference on Signals, Systems and Computers (ACSSC 2018) - Pacific Grove, USA
Varighed: 28 sep. 201831 okt. 2018

Konference

KonferenceAsilomar Conference on Signals, Systems and Computers (ACSSC 2018)
LandUSA
ByPacific Grove
Periode28/09/201831/10/2018
NavnAsilomar Conference on Signals, Systems and Computers. Conference Record
ISSN1058-6393

Fingeraftryk

Acoustic waves
Speech enhancement
Loudspeakers
Acoustic fields

Citer dette

Nielsen, J. K., Lee, T., Jensen, J. R., & Christensen, M. G. (2018). Sound Zones as an Optimal Filtering Problem. I 2018 52nd Asilomar Conference on Signals, Systems, and Computers IEEE. Asilomar Conference on Signals, Systems and Computers. Conference Record https://doi.org/10.1109/ACSSC.2018.8645268
Nielsen, Jesper Kjær ; Lee, Taewoong ; Jensen, Jesper Rindom ; Christensen, Mads Græsbøll. / Sound Zones as an Optimal Filtering Problem. 2018 52nd Asilomar Conference on Signals, Systems, and Computers. IEEE, 2018. (Asilomar Conference on Signals, Systems and Computers. Conference Record).
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title = "Sound Zones as an Optimal Filtering Problem",
abstract = "The design of so-called sound zones is a fairly old idea which has recently gained some research attention. The idea is to control a loudspeaker array to reproduce a desired sound field in certain regions. In this paper, we show how the sound zone control problem can be solved using techniques from speech enhancement. Specifically, we first describe in detail the recently introduced variable span linear filtering (VSLF) framework which unifies the popular optimal filtering and subspace-based approaches to speech enhancement. We then show how the sound zone control problem can be solved using the VSLF framework and how a number of well-known sound zone control methods can be viewed as special cases of this solution. We also discuss in detail the differences between the speech enhancement problem and the sound zone control problem and argue that the VSLF framework is actually even better suited for controlling sound zones than for enhancing speech.",
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Nielsen, JK, Lee, T, Jensen, JR & Christensen, MG 2018, Sound Zones as an Optimal Filtering Problem. i 2018 52nd Asilomar Conference on Signals, Systems, and Computers. IEEE, Asilomar Conference on Signals, Systems and Computers. Conference Record, Pacific Grove, USA, 28/09/2018. https://doi.org/10.1109/ACSSC.2018.8645268

Sound Zones as an Optimal Filtering Problem. / Nielsen, Jesper Kjær; Lee, Taewoong; Jensen, Jesper Rindom; Christensen, Mads Græsbøll.

2018 52nd Asilomar Conference on Signals, Systems, and Computers. IEEE, 2018.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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AB - The design of so-called sound zones is a fairly old idea which has recently gained some research attention. The idea is to control a loudspeaker array to reproduce a desired sound field in certain regions. In this paper, we show how the sound zone control problem can be solved using techniques from speech enhancement. Specifically, we first describe in detail the recently introduced variable span linear filtering (VSLF) framework which unifies the popular optimal filtering and subspace-based approaches to speech enhancement. We then show how the sound zone control problem can be solved using the VSLF framework and how a number of well-known sound zone control methods can be viewed as special cases of this solution. We also discuss in detail the differences between the speech enhancement problem and the sound zone control problem and argue that the VSLF framework is actually even better suited for controlling sound zones than for enhancing speech.

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Nielsen JK, Lee T, Jensen JR, Christensen MG. Sound Zones as an Optimal Filtering Problem. I 2018 52nd Asilomar Conference on Signals, Systems, and Computers. IEEE. 2018. (Asilomar Conference on Signals, Systems and Computers. Conference Record). https://doi.org/10.1109/ACSSC.2018.8645268