In this paper we present a novel implementation of a Wave Field Synthesis application based on emerging NVIDIA Compute Unified Device Architecture (CUDA) technology using NU-Tech Framework. CUDA technology unlocks the processing power of the Graphics Processing Units (GPUs) which are characterized by a highly parallel architecture. A wide range of complex algorithms are being re-written in order to benefit from this new approach. Wave Filed Synthesis is a quite new spatial audio rendering technique highly demanding in terms of computational power. We present here results and comparisons between a NU-Tech Plug-In (NUTS) implementing real-time WFS using CUDA libraries and the same algorithm implemented using Intel Integrated Primitives (IPP) Library.

Authors: Lattanzi, Ariano; Ciavattini, Emanuele; Cecchi, Stefania; Romoli, Laura; Ferrandi, Fabrizio
Affiliations: Leaff Engineering, Ancona, Italy; Politecnico di Milano, Milan, Italy; Università Politecnica delle Marche, Ancona, Italy(See document for exact affiliation information.)
AES Convention: 128 (May 2010) Paper Number: 7974
Publication Date: May 1, 2010
Subject: Recording, Production, and Reproduction—Multichannel and Spatial Audio

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