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Equipment for Fast Measurement of Head-Related Transfer Functions

Binaural audio can become the future of spatial sound systems as more and more music is consumed on mobile devices through headphones. For a better experience, the binaural sound must be individualized for each subject through the use of their personal Head-Related Transfer Function (HRTF). The most straightforward way of personalization is to measure in-situ the HRTF. However, installations and set-ups for that purpose require anechoic chambers and complex motorized positioning systems. In this brief, we present an installation deployed in a non-anechoic room with multiple loudspeakers that provide a way of measuring the HRTF with an excellent resolution in the azimuthal plane and a sufficient resolution on elevation for common purposes.

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