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. 2016 Oct 3;20:2331216516668303. doi: 10.1177/2331216516668303

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© The Author(s) 2016

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Calculation of time-varying ITD. (a) Normalized cross-correlation of left and right signal waveform at 1 kHz, computed according to Equation (2), for a 50-ms window running from the beginning to the end of a 10-Hz sinusoidally amplitude modulated noise presented from the +64° loudspeaker. Within each panel, the bold point along each trace indicates the estimated ITD for that temporal window, taken as the maximum value of the cross-correlation function (see text). In all panels, the vertical dashed line indicates the time-averaged ITD estimated in the Control condition (black). Scale bar indicates a change in correlation of 1.0. (b) As in (a), but for the signal envelope at 4 kHz. Scale bar indicates a change in correlation of 0.25. Note. ITD = interaural time difference.