AES Journal Forum

Binaural Sound Source Localization in Real and Virtual Rooms

Authors:Rychtáriková, Monika; Bogaert, Tim Van den; Vermeir, Gerrit; Wouters, Jan
Affiliation:Laboratory of Acoustics and Thermal Physics, Katholieke Universiteit Leuven, Heverlee, Belgium; Department of Neurosciences, Katholieke Universiteit Leuven, Leuven, Belgium; Department of Building Constructions, Faculty of Civil Engineering, STU Bratislava, Bratislava, Slovakia
JAES Volume 57 Issue 4 pp. 205-220; April 2009

A simulated binaural room impulse response was created by convolving a measured head-related transfer function with a hybrid image-source model having stochastic scattering from secondary sources. Listeners using headphones in subjective tests found that measured and simulated room impulse responses had equivalent localization accuracy. This study confirms that the ability to localize sound sources is closely linked to the ratio of direct-to-reverberant energy rather than the reverberation time.

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