Robust reproduction of sound zones with local sound orientation | Zendy

Qiaoxi Zhu | Zendy; Philip Coleman | Zendy; Ming Wu | Zendy; Jun Yang | Zendy

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Robust reproduction of sound zones with local sound orientation

Author(s) -

Qiaoxi Zhu,

Philip Coleman,

Ming Wu,

Jun Yang

Publication year - 2017

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4994685

Subject(s) - robustness (evolution) , computer science , quiet , acoustics , sound pressure , physics , biochemistry , chemistry , quantum mechanics , gene

Pressure matching (PM) and planarity control (PC) methods can be used to re-\udproduce local sound with a certain orientation at the listening zone, while suppressing\ud the sound energy at the quiet zone. In this letter, regularized PM and PC, incorporating coarse error estimation, are introduced to increase the robustness in non-ideal reproduction scenarios. Facilitated by this, the interaction between regularization, robustness, (tuned) personal audio optimization and local directional performance is explored. Simulations show that under certain conditions, PC and weighted PM achieve\ud comparable performance, while PC is more robust to a poorly selected regularization parameter

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