The aim of this contribution is to demonstrate that the detection of transitions in interaural cross correlation (IAC, denoted by ρ) depends on the Fisher Z-transform of ρ, denoted by ρlog (see Eq. 3) of ρ, rather than on r itself. Evidence is provided by two electrophysiological and closely corresponding psychophysical experiments, both using noise stimuli with stepwise transitions between different values of IAC. The conclusions from these experiments are used to develop a model of binaural feature extraction which avoids several shortcomings of other binaural models, e.g., normalization, perceptually inadequate scaling of IAC, lack of neurophysiological plausibility.
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Lüddemann, H., Riedel, H., Kollmeier, B. (2007). Logarithmic Scaling of Interaural Cross Correlation: A Model Based on Evidence from Psychophysics and EEG. In: Kollmeier, B., et al. Hearing – From Sensory Processing to Perception. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73009-5_41
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