Head-Related Transfer Functions for Dynamic Listeners in Virtual Reality

In dynamic virtual reality, visual cues and motor actions aid auditory perception. With multimodal integration and auditory adaptation effects, generic head-related transfer functions (HRTFs) may yield no significant disadvantage to individual HRTFs regarding accurate auditory perception. This study...

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Bibliographic Details
Published inApplied sciences Vol. 11; no. 14; p. 6646
Main Authors Rummukainen, Olli S., Robotham, Thomas, Habets, Emanuël A. P.
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.07.2021
Subjects
6-degrees-of-freedom
Accuracy
Adaptation
audio-visual integration
Auditory perception
binaural rendering
Computer applications
Cues
Deviation
Experiments
head-related transfer function (HRTF)
Headphones
Hearing
Hypotheses
Listening
Localization
Sensorimotor integration
Sensory integration
Sound
spatial audio
Statistical analysis
Transfer functions
Virtual environments
Virtual reality
Visual stimuli
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Summary:In dynamic virtual reality, visual cues and motor actions aid auditory perception. With multimodal integration and auditory adaptation effects, generic head-related transfer functions (HRTFs) may yield no significant disadvantage to individual HRTFs regarding accurate auditory perception. This study compares two individual HRTF sets against a generic HRTF set by way of objective analysis and two subjective experiments. First, auditory-model-based predictions examine the objective deviations in localization cues between the sets. Next, the HRTFs are compared in a static subjective (N=8) localization experiment. Finally, the localization accuracy, timbre, and overall quality of the HRTF sets are evaluated subjectively (N=12) in a six-degrees-of-freedom audio-visual virtual environment. The results show statistically significant objective deviations between the sets, but no perceived localization or overall quality differences in the dynamic virtual reality.
ISSN:2076-3417
2076-3417
DOI:10.3390/app11146646