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Wave Field Synthesis Rendering with Increased Aliasing Frequency

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Wave Field Synthesis (WFS) is a sound reproduction techniques that enables the synthesis of target sound fields without any assumption on the listening position. Spatial aliasing is one of the remaining artefacts of WFS which limits the exact synthesis below a corner frequency referred to as spatial aliasing frequency. This paper presents a new technique that enables to increase the spatial aliasing frequency of WFS assuming a preferred listening area. The presented technique is fully scalable and may be adapted to any listening zone shape or location. Applications in the domain of simulation environments and home entertainment are discussed.

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AES - Audio Engineering Society