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Conference Publication

Runtime reconfigurable beamforming architecture for real-time sound-source localization

Host Publication: 26th International Conference on Field Programmable Logic and Applications

Authors: B. da Silva Gomes, L. Segers, A. Braeken and A. Touhafi

Publisher: IEEE

Publication Date: Aug. 2016

Number of Pages: 4

ISBN: 978-1-5090-0851-3


Abstract:

Sound-source localization is used in many differentreal-time acoustic applications. Microphone arrays have thepotential capability to recognize, profile and locate sound-sourcesin noisy environments. The quality response of such sensorarrays, however, is determined by the quantity of microphones.A higher number of microphones increases the computationaldemand, making real-time response challenging. In this paper,we present a scalable and runtime reconfigurable architecture toprovide accurate sound-source localization in real-time. On onehand, the reconfigurable architecture is designed to be scalable inorder to support a variable number of microphones. On the otherhand, we use runtime reconfigurable look-up tables (CFGLUTs)to provide a dynamic response in real-time. Experiments demonstratehow an accurate sound-source localization is obtained inless than a few hundred milliseconds. As far as we are aware,it is the first time that runtime reconfiguration is applied to areconfigurable architecture consisting of a sensor array.

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Prof. Bruno da Silva Gomes

+32 (0)02 629 284

bdasilva@etrovub.be

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Mr. Abdellah Touhafi

+32 (0)02 629 377

atouhafi@etrovub.be

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