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25044 Declaratively programmable ultra-low latency audio effects processing on FPGA
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Verstraelen, M.J.W. and Kuper, J. and Smit, G.J.M. (2014) Declaratively programmable ultra-low latency audio effects processing on FPGA. In: Proceedings of the 17th International Conference on Digital Audio Effects (DAFx-14), 1-5 Sept 2014, Erlangen, Germany. pp. 263-270. Fraunhofer Institut. ISBN 978-3-00-046825-4

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Official URL: http://www.dafx14.fau.de/proceedings.html

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Abstract

WaveCore is a coarse-grained reconfigurable processor architecture, based on data-flow principles. The processor architecture consists of a scalable and interconnected cluster of Processing Units (PU), where each PU embodies a small floating-point RISC processor. The processor has been designed in technology-independent VHDL and mapped on a commercially available FPGA development platform. The programming methodology is declarative, and optimized to the application domain of audio and acoustical modeling. A benchmark demonstrator algorithm (guitar-model, comprehensive effects-gear box, and distortion/cabinet model) has been developed and applied to the WaveCore development platform. The demonstrator algorithm proved that WaveCore is very well suited for efficient modeling of complex audio/acoustical algorithms with negligible latency and virtually zero jitter. An experimental Faust-to-WaveCore compiler has shown the feasibility of automated compilation of Faust code to the WaveCore processor target.

Item Type:Conference or Workshop Paper (Full Paper, Poster)
Research Group:EWI-CAES: Computer Architecture for Embedded Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:POLCA: Programming Large Scale Heterogeneous Infrastructures
Additional Information:DAFx-14 is jointly organized by the Fraunhofer Institut Integrated Circuits (IIS), the Chair of Multimedia Communications and Signal Processing of Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), and the International Audio Laboratories Erlangen
Uncontrolled Keywords:ultra-low latency, zero-jitter, coarse-grained recon-
figurable computing, declarative programming, automated many-
core compilation, Faust-compatible, massively-parallel
ID Code:25044
Status:Published
Deposited On:21 November 2014
Refereed:Yes
International:Yes
More Information:statisticsmetis

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