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Technical Program

Paper Detail

Paper:	SAM-L2.4
Session:	Microphone Array Processing
Time:	Wednesday, May 17, 17:30 - 17:50
Presentation:	Lecture
Topic:	Sensor Array and Multichannel Signal Processing: Source localization, separation, classification, and tracking
Title:	Robust 3D Localization and Tracking of Sound Sources Using Beamforming and Particle Filtering
Authors:	Jean-Marc Valin, CSIRO ICT Centre, Australia; François Michaud, Jean Rouat, Université de Sherbrooke, Canada
Abstract:	In this paper we present a new robust sound source localization and tracking method using an array of eight microphones (US patent pending) . The method uses a steered beamformer based on the reliability-weighted phase transform (RWPHAT) along with a particle filter-based tracking algorithm. The proposed system is able to estimate both the direction and the distance of the sources. In a videoconferencing context, the direction was estimated with an accuracy better than one degree while the distance was accurate within 10% RMS. Tracking of up to three simultaneous moving speakers is demonstrated in a noisy environment.