Abstract
Localization dominance due to the precedence effect refers to the ability of listeners to localize a primary auditory event in the presence of reflected sound. It has been shown that localization dominance becomes more stable as the bandwidth of a noise burst increases, which suggests the role of cross‐frequency interactions on localization dominance. Currently, little is known about how stimuli containing multiple harmonics influence localization dominance. The present investigation uses a multiple harmonic complex to investigate localization dominance due to the precedence effect. Listeners locate the perceived lateral position of stimuli presented binaurally via headphones by adjusting the interaural‐level difference (ILD) that approximates the location of the stimulus. Stimuli are presented as lead and lag signals that simulate direct and reflected sound, respectively. The interstimulus interval (ISI) is varied from 0 to 4 ms, and the phase of the harmonic complex is varied between ears. For both the test stimulus and broadband noise bursts (control condition) physical ILDs occur as a result of lead/lag interference, but in the case of the harmonic complexes, the ILD often does not average out over frequency, as is the case for broadband noise.
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