Sound Source Localization and Reconstruction Using a Wearable Microphone Array and Inertial Sensors
2020 (English)In: Proceedings of the 23rd International Conference on Information Fusion: Fusion 2020, Institute of Electrical and Electronics Engineers (IEEE), 2020, p. 1086-1093Conference paper, Published paper (Refereed)
Abstract [en]
A wearable microphone array platform is used tolocalize stationary sound sources and amplify the sound inthe desired directions using several beamforming methods. Theplatform is equipped with inertial sensors and a magnetometerallowing predictions of source locations during orientationchanges and compensation for the displacement in the arrayconfiguration. The platform is modular, open and 3D printedto allow for easy reconfiguration of the array and for reuse inother applications, e.g., mobile robotics. The software componentsare based on open source. A new method for source localizationand signal reconstruction using Taylor expansion of the signals isproposed. This and various standard and non-standard Directionof Arrival (DOA) methods are evaluated in simulation andexperiments with the platform to track and reconstruct multipleand single sources. Results show that sound sources can belocalized and tracked robustly and accurately while rotating theplatform and that the proposed method outperforms standardmethods at reconstructing the signals.
Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2020. p. 1086-1093
Keywords [en]
LinDoA, Microphone Array, Prototype, Direction of Arrival, Source Separation
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-167476DOI: 10.23919/FUSION45008.2020.9190480ISI: 000659928700145ISBN: 978-0-9964527-6-2 (print)OAI: oai:DiVA.org:liu-167476DiVA, id: diva2:1453068
Conference
23rd International Conference on Information Fusion, virtual conference, Pretoria, South Africa, July 6-9, 2020
Projects
Scalable Kalman Filters
Funder
Swedish Research Council
Note
Funding: Oticon Foundation; Center for Industrial Information Technology at Linkoping University (CENIIT); Swedish Research CouncilSwedish Research CouncilEuropean Commission
2020-07-082020-07-082021-10-07