A rapid sensory analysis method for perceptual assessment of automotive audio

N. Kaplanis, S. Bech, S. Tervo, J. Pätynen, T. Lokki, T. van Waterschoot, S. Holdt Jensen

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)

Abstract

As today’s automotive audio systems rapidly evolve, it is unclear if the current perceptual assessment protocols fully capture the human sensations evoked by such new systems. The highly complex and acoustically hostile environment of the automobile cabin hinders the effectiveness of standard objective metrics, while lacking robustness, repeatability, and perceptual relevance. This report examines the current assessment protocols and their identified limitations. A new design of an assessment protocol is proposed. It uses the Spatial Decomposition Method for acquiring, analyzing, and reproducing the sound field in a laboratory over loudspeakers, thereby allowing instant comparisons of automotive audio systems. A rapid sensory analysis protocol, the Flash Profile, is employed for evaluating the perceptual experience using individually elicited attributes, in a time-efficient manner. A pilot experiment is described, where experts, experienced, and naive assessors followed the procedure and evaluated three sound fields. Current findings suggest that this method allows for the assessment of both spatial and timbral properties of automotive sound.
Original languageEnglish
Pages (from-to)130-146
Number of pages17
JournalJournal of the Audio Engineering Society
Volume65
Issue number1/2
DOIs
Publication statusPublished - 2017
MoE publication typeA1 Journal article-refereed

Keywords

  • Auralization
  • Spatial sound reproduction
  • automotive audio

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