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|Abstract:||An extension of the spherical-head model (SHM) is developed to incorporate the elevation dependence observed in measured interaural time differences (ITDs). The model aims to address the inability of the SHM to capture this elevation dependence, thereby improving ITD estimation accuracy while retaining the simplicity of the SHM. To do so, the proposed model uses an elevation-dependent head radius that is individualized from anthropometry. Calculations of ITD for 12 listeners show that the proposed model is able to capture this elevation dependence and, for high frequencies and at large azimuths, yields a reduction in mean ITD error of up to 13 microseconds (3% of the measured ITD value), compared to the SHM. For low-frequency ITDs, this reduction is up to 160 microseconds (23%).|
|Citation:||Sridhar, R, Choueiri, EY. (2015). Capturing the elevation dependence of interaural time difference with an extension of the spherical-head model. 139th Audio Engineering Society International Convention, AES 2015|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||139th Audio Engineering Society International Convention, AES 2015|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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