Localization of sound sources in sagittal planes (front/back and top/down) relies on listener-specific monaural spectral cues. A functional model approximating human processing of spectro-spatial information is applied to assess localization of phantom sources created by amplitude panning of coherent loudspeaker signals. Based on model predictions we investigated the localization of phantom sources created by loudspeakers positioned in the front and in the back, the effect of loudspeaker span and panning ratio on localization performance in the median plane, and the amount of spatial coverage provided by common surround sound systems. Our findings are discussed in the light of previous results from psychoacoustic experiments.
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