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Localisation dominance for long lead-lag stimuli in background noise

To our knowledge there are only few free-field studies [2,3, 7] examining the precedence effect in background noise. All these studies have in common that they either used short lead-lag stimuli or that background noises were presented from front or back directions, leading to strongly correlated signals at the listener’s ears. Neither of both mimic realistic sensations: Common acoustic signals are longer than clicks, and listening in reverberant rooms leads to decorrelated sounds at the ears, especially for sources off the median plain. Therefore, this study investigates localisation of longer duration lead-lag stimuli in background noise that is decorrelated between the ears.