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EnglishThis paper proposes an image-guided HRTF selection procedure that exploits the relation between features of the pinna shape and HRTF notches. Using a 2D image of a user's pinna, the procedure selects from a database the HRTF set that best fits the anthropometry of that user. The proposed procedure is designed to be quickly applied and easy to use for a user without previous knowledge on binaural audio technologies. The entire process is evaluated by means of (i) an auditory model for sound localization in the mid-sagittal plane available from previous literature, and (ii) a short localization test in virtual reality. Using both virtual and real subjects from a HRTF database, predictions and the experimental evaluation aimed to assess the vertical localization performance with HRTF sets selected by the proposed procedure. Our results report a statistically significant improvement in predictions of the auditory model for localization performance with selected HRTFs compared to KEMAR HRTFs, which is a commercial standard in many binaural audio solutions. Moreover, the proposed localization test with human listeners reflect the model's predictions, further supporting the applicability of our perceptually-motivated metrics with anthropometric data extracted by pinna images.
Applying a Single-notch Metric to Image-guided Head-related Transfer Function Selection for Improved Vertical Localization / M. Geronazzo, E. Peruch, F. Prandoni, F. Avanzini. - In: AES. - ISSN 1549-4950. - 67:6(2019 Jun 09), pp. 414-428.
| Titolo: | Applying a Single-notch Metric to Image-guided Head-related Transfer Function Selection for Improved Vertical Localization | |
| Autori: | AVANZINI, FEDERICO (Ultimo) | |
| Settore Scientifico Disciplinare: | Settore INF/01 - Informatica Settore ING-INF/05 - Sistemi di Elaborazione delle Informazioni | |
| Data di pubblicazione: | 9-giu-2019 | |
| Rivista: | ||
| Tipologia: | Article (author) | |
| Data ahead of print / Data di stampa: | apr-2019 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.17743/jaes.2019.0010 | |
| Appare nelle tipologie: | 01 - Articolo su periodico |
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http://hdl.handle.net/2434/642024
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