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Prediction of perceived elevation using multiple psuedo-binaural microphones

Ashby, T, Mason, R and Brookes, T (2011) Prediction of perceived elevation using multiple psuedo-binaural microphones In: 130th Audio Engineering Society Convention, 2011-05-13 - 2011-05-16, London, UK.

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Abstract

Computational auditory models that predict the perceived location of sound sources in terms of azimuth are already available, yet little has been done to predict perceived elevation. Interaural time and level differences, the primary cues in horizontal localisation, do not resolve source elevation, resulting in the ‘Cone of Confusion’. In natural listening, listeners can make head movements to resolve such confusion. To mimic the dynamic cues provided by head movements, a multiple microphone sphere was created, and a hearing model was developed to predict source elevation from the signals captured by the sphere. The prototype sphere and hearing model proved effective in both horizontal and vertical localisation. The next stage of this research will be to rigorously test a more physiologically accurate capture device.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Divisions: Faculty of Arts and Human Sciences > School of Arts > Sound Recording
Depositing User: Symplectic Elements
Date Deposited: 10 Oct 2012 13:59
Last Modified: 23 Sep 2013 19:35
URI: http://epubs.surrey.ac.uk/id/eprint/712910

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