Hearing Without Ears

Journal article


McKenzie, I., Lennox, Peter and Wiggins, Bruce 2014. Hearing Without Ears. International Community for Auditory Display.
AuthorsMcKenzie, I., Lennox, Peter and Wiggins, Bruce
Abstract

We report on on-going work investigating the feasibility of using tissue conduction to evince auditory spatial perception. Early results indicate that it is possible to coherently control externalization, range, directionality (including elevation), movement and some sense of spaciousness without presenting acoustic signals to the outer ear. Signal control techniques so far have utilised discrete signal feeds, stereo and 1st order ambisonic hierarchies. Some deficiencies in frontal externalization have been observed. We conclude that, whilst the putative components of the head related transfer function are absent, empirical tests indicate that coherent equivalents are perceptually utilisable. Some implications for perceptual theory and technological implementations are discussed along with potential practical applications and future lines of enquiry.

We report on on-going work investigating the feasibility of using tissue conduction to evince auditory spatial perception. Early results indicate that it is possible to coherently control externalization, range, directionality (including elevation), movement and some sense of spaciousness without presenting acoustic signals to the outer ear.
Signal control techniques so far have utilised discrete signal feeds, stereo and 1st order ambisonic hierarchies. Some deficiencies in frontal externalization have been observed.
We conclude that, whilst the putative components of the head related transfer function are absent, empirical tests indicate that coherent equivalents are perceptually utilisable. Some implications for perceptual theory and technological implementations are discussed along with potential practical applications and future lines of enquiry.

KeywordsAuditory display; Mechanical transduction; Tissue conduction; Auditory spatial perception
Year2014
JournalInternational Community for Auditory Display
PublisherGeorgia Institute of Technology
Web address (URL)http://hdl.handle.net/10545/344558
hdl:10545/344558
Publication dates22 Jun 2014
Publication process dates
Deposited18 Feb 2015, 12:10
ContributorsUniversity of Derby
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