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Multichannel Dynamic Sound Rendering and Echo Suppression in a Room Using Wave Field Synthesis

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With multichannel sound rendering systems, an immersive sound can be experienced by a broader audience. Rendering of a stationary source is widely studied in the literature. However, a dynamic sound, where the source's position is continuously changing, provides improved source localization and a listener experience more immersed in the rendered sound. This paper investigates the multichannel sound rendering of a dynamic sound source using a wave field synthesis method in a reverberant shoe-box room model. Finite difference time domain is employed to visualize the reproduced sound field in the time domain. To address the challenge of room echo-induced degradation in sound quality, a method is presented inwhich the reflected sound is compensated by rendering the primary source's images from the auxiliary actuators, enhancing SNR by approximately 2--3.5 dB.

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JAES Volume 72 Issue 5 pp. 299-308; May 2024
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Permalink: https://www.aes.org/e-lib/browse.cfm?elib=22421

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