Geometrically-constrained time delay estimation-based sound source localisation (gTDESSL)

Xavier Alameda-Pineda; Radu Horaud

hal-00704986, version 2

Geometrically-constrained time delay estimation-based sound source localisation (gTDESSL)

Xavier Alameda-Pineda ()^a^, 1, 2, Radu Horaud ()^b^, 1

N° RR-7988 (2012)

Résumé : In this paper we present a geometrically-constrained time delay estimation method for sound source localization (gTDE). An algebraic analysis reveals that the method can deal with an arbitrary number of non-coplanar microphones. We derive a constrained non-linear optimization problem that can be solved using convex programming. Unlike existing techniques, which consider pairwise TDE's, the proposed method optimally estimates a set of time delays that are consistent with the source's location. Extensive simulated experiments validate the method in the presence of noise and of reverberations.

a – Université Joseph Fourier - Grenoble I
b – INRIA
1 : PERCEPTION (INRIA Grenoble Rhône-Alpes / LJK Laboratoire Jean Kuntzmann)
INRIA – Laboratoire Jean Kuntzmann – CNRS : UMR5224 – Université Joseph Fourier - Grenoble I – Institut National Polytechnique de Grenoble (INPG) – Université Pierre-Mendès-France - Grenoble II
2 : Laboratoire Jean Kuntzmann (LJK)
CNRS : UMR5224 – Université Joseph Fourier - Grenoble I – Université Pierre-Mendès-France - Grenoble II – Institut Polytechnique de Grenoble - Grenoble Institute of Technology

hal-00704986, version 2
http://hal.inria.fr/hal-00704986
oai:hal.inria.fr:hal-00704986
Contributeur : Xavier Alameda-Pineda <>
Soumis le : Mercredi 6 Juin 2012, 16:57:35
Dernière modification le : Jeudi 7 Juin 2012, 15:47:26

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