Article

Individualized Head-related Transfer Functions for Children (en)

* Presenting author
Day / Time: 08.03.2023, 16:40-17:00
Room: Saal X11-12
Typ: Regulärer Vortrag
Abstract: Head-related transfer functions are known to be highly individual due to the different expressions of head, torso and especially pinna shape between individuals. These differences are especially pronounced in children below the age of ten, due the rapid growth at that age compared older children. From adults it is known, that non-individual HRTFs result in perceptual artifacts such as reduced immersion, mislocalization, front-back confusion, or spectral distortion. To reduce these artifacts, the use of individualization methods based on anthropometric parameters have been investigated in recent years as a feasible alternative to using simple artificial-head HRTFs in binaural sound reproductions for adults. The applicability of such individualization models for children has to the authors knowledge not yet been investigated. The CHASAR database includes 3D models of 27 children, which for this contribution were used to estimate their HRTF based on anthropometric features using an existing individualization model relying on principal component analysis. The quality of the estimated HRTFs is then evaluated based on objective metric and perceptual models.
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