JS Woodcock
Influence of visual stimuli on perceptual attributes of spatial audio
Woodcock, JS; Davies, WJ; Cox, TJ
Authors
Abstract
Reproduced audio is often accompanied with visuals (i.e. television, virtual reality, gaming, and cinema). However, the audio technology for these systems is often researched and evaluated in isolation from the visual component. Previous research indicates that the auditory and visual modalities are not processed separately. For example, visual stimuli can influence ratings of audio quality and vice versa. This paper presents an experiment to investigate the influence of visual stimuli on a set of attributes relevant to the perception of spatial audio. Eighteen participants took part in a paired comparison listening test where they were asked to judge pairs of stimuli rendered to fourteen-, five-, and two-channel systems using ten perceptual attributes. The stimuli were presented in audio only and audio-visual conditions. The results show a significant and large main effect of the loudspeaker configuration for all the tested attributes other than overall spectral balance and depth of field. The effect of visual stimuli was found to be small and
significant for the attributes realism, sense of space, and spatial clarity. These results suggest that evaluations of audio-visual technologies aiming to evoke a sense of realism or presence should consider the influence of both the audio and visual modalities.
Citation
Woodcock, J., Davies, W., & Cox, T. (2019). Influence of visual stimuli on perceptual attributes of spatial audio. Journal of the Audio Engineering Society, 67(7/8), 557-567. https://doi.org/10.17743/jaes.2019.0019
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 27, 2019 |
Online Publication Date | Aug 14, 2019 |
Publication Date | Jul 1, 2019 |
Deposit Date | May 2, 2019 |
Publicly Available Date | Oct 9, 2019 |
Journal | Journal of the Audio Engineering Society |
Print ISSN | 1549-4950 |
Publisher | Audio Engineering Society |
Volume | 67 |
Issue | 7/8 |
Pages | 557-567 |
DOI | https://doi.org/10.17743/jaes.2019.0019 |
Publisher URL | https://doi.org/10.17743/jaes.2019.0019 |
Related Public URLs | http://www.aes.org/journal/ |
Additional Information | Funders : Engineering and Physical Sciences Research Council (EPSRC) Projects : S3A Future Spatial Audio in the Home Grant Number: EP/L000539/1 |
Files
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Licence
http://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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