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Perceptual Sound Field Reconstruction and Coherent Emulation
Date:Fri, 04/27/2012 - 3:15pm - 5:05pm
Location:CCRMA Classroom [Knoll 217]
Event Type:DSP Seminar
Professor Zoran Cvetkovic, Centre for Telecommunications Research, Department of Informatics, King's College London, firstname.lastname@example.org
Abstract: In this talk we present a low-count multichannel audio technology that aims to reproduce most of the auditory experience of an acoustic event in its original venue, or create a convincing illusion of an acoustic event in a desired virtual or physical space. A systematic general framework for the design of such systems for perceptual sound field reconstruction (PSR) is developed. Experiments demonstrate benefits of the PSR technology in terms the accuracy and stability of the auditory perspective. A new differential microphone array structure for sound field capture needed by the PSR technology is also proposed . Finally, a fast implementation algorithm for efficient rendering of dynamical scenes in virtual reality applications, based on the idea of digital waveguide networks, is developed.
Bio: Zoran Cvetkovic received his Dipl.Ing. and Mag. degrees from the University of Belgrade, Yugoslavia, in 1989 and 1992, respectively; the M.Phil. from Columbia University in 1993; and the Ph.D. in electrical engineering from the University of California, Berkeley, in 1995. He held research positions at EPFL, Lausanne, Switzerland (1996), and at Harvard University (2002-04). Between 1997 and 2002 he was a member of the technical staff of AT&T Shannon Laboratory. He is now Professor of Signal Processing at King's College London. His research interests are in the broad area of signal processing, ranging from theoretical aspects of signal analysis to applications in audio and speech technology, and biomedical engineering.
Open to the Public