On distance dependence of pinna spectral patterns in head-related transfer functions | Zendy

Simone Spagnol | Zendy

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On distance dependence of pinna spectral patterns in head-related transfer functions

Author(s) -

Simone Spagnol

Publication year - 2014

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4903919

Subject(s) - pinna , acoustics , head related transfer function , sound localization , transfer function , head (geology) , computer science , transfer (computing) , grid , mathematics , physics , binaural recording , geology , geometry , anatomy , medicine , geomorphology , parallel computing , electrical engineering , engineering

The aim of this letter is to address a little understood question in sound source localization: Can the distance of a near sound source affect our own perception of its elevation? The issue is studied by means of an objective analysis of a database of distance-dependent head-related transfer functions (HRTFs) of a KEMAR (Knowles Electronic Manikin for Acoustic Research) mannequin with different pinnae on a dense spatial grid. Iso-directional HRTFs are compared through spectral error metrics; results indicate significant distance-dependent HRTF modifications due to the pinna occur when the source is close to the interaural axis.

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