Date: 15 Dec 2017
Time: 19:00

Location: King’s College London, Nash Lecture Theatre, K0.02
Room K0.02, Strand Building
London, WC2R 2LS

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Spherical microphone arrays have found wide use in three dimensional acoustical applications such as higher-order Ambisonics, object-based spatial audio, and sound source localisation. There are two main types of spherical microphone arrays: rigid and open. Rigid spherical microphone arrays consist of microphones positioned on the surface of a rigid spherical scatterer and open spherical arrays consist of microphones arranged in a spherical constellation without a scatterer. Sound source localisation, source separation and acoustic scene analysis algorithms have been developed in the past decade using these types of arrays. In this seminar, an introduction to the theory of spherical arrays will be presented first. Practical implications of processing signals recorded using such arrays along with their physical limitations will be discussed. Several practical examples using both open and rigid microphone arrays will be presented.

Huseyin Hacıhabiboglu received his B.Sc. (honors) degree from the Middle East Technical University (METU), Ankara, Turkey, in 2000 and his M.Sc. degree from the University of Bristol, United Kingdom, in 2001, both in electrical and electronics engineering, and his Ph.D. degree in computer science from Queen’s University Belfast, United Kingdom, in 2004. He held research positions at the University of Surrey, Guildford, United Kingdom, (2004–2008) and King’s College London, United Kingdom (2008–2011). Currently, he is an associate professor of signal processing and head of the Department of Modeling and Simulation in the Graduate School of Informatics, METU. He also coordinates the recently established multimedia informatics graduate program in the same department. His research interests include audio signal processing, room acoustics, multichannel audio systems, psychoacoustics of spatial hearing, microphone array

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