VR-PTOLEMAIC: A Virtual Environment for the Perceptual Testing of Spatial Audio Algorithms
Paolo Ostan, Francesca Del Gaudio, Federico Miotello, Mirco Pezzoli, Fabio Antonacci

TL;DR
This paper introduces VR-PTOLEMAIC, a virtual reality system for perceptually evaluating spatial audio algorithms, enabling immersive testing of sound field reconstructions in a simulated environment.
Contribution
The paper presents a novel VR-based evaluation platform that integrates established perceptual testing methodologies for spatial audio in an immersive environment.
Findings
VR platform supports effective spatial audio assessment
Users report positive experience and immersivity
System enables comparison of sound field reconstruction algorithms
Abstract
The perceptual evaluation of spatial audio algorithms is an important step in the development of immersive audio applications, as it ensures that synthesized sound fields meet quality standards in terms of listening experience, spatial perception and auditory realism. To support these evaluations, virtual reality can offer a powerful platform by providing immersive and interactive testing environments. In this paper, we present VR-PTOLEMAIC, a virtual reality evaluation system designed for assessing spatial audio algorithms. The system implements the MUSHRA (MUlti-Stimulus test with Hidden Reference and Anchor) evaluation methodology into a virtual environment. In particular, users can position themselves in each of the 25 simulated listening positions of a virtually recreated seminar room and evaluate simulated acoustic responses with respect to the actually recorded second-order…
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Taxonomy
TopicsHearing Loss and Rehabilitation · Human auditory perception and evaluation · Music Technology and Sound Studies
