Human echolocation: waveform analysis of tongue clicks

Michail Antoniou; Mikhail Cherniakov; Graeme Smith; Xinyu Zhang; Galen Reich; Chris Baker; Lore Thaler; Daniel Kish

doi:10.1049/el.2017.0454

Human echolocation: waveform analysis of tongue clicks

Michail Antoniou, Mikhail Cherniakov, Graeme Smith, Xinyu Zhang, Galen Reich, Chris Baker, Lore Thaler, Daniel Kish

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Abstract

Some blind individuals have the ability to detect and classify objects in
complex scenes by using echolocation based on "tongue clicks". In this
paper, we present a waveform analysis of the tongue clicks collected
from three blind individuals who use tongue-click based echolocation on
a daily basis. It is found that the tongue clicks are wideband signals and
that that the spectrum of clicks varies within and between individuals.
However, by using the wideband ambiguity function, we find that
all of the clicks from three different individuals share some common
characteristics.

Original language	English
Journal	Electronics Letters
Early online date	7 Mar 2017
DOIs	https://doi.org/10.1049/el.2017.0454
Publication status	E-pub ahead of print - 7 Mar 2017

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10.1049/el.2017.0454Licence: None: All rights reserved

EL.2017.0454
This paper is a postprint of a paper submitted to and accepted for publication in Electronics Letters and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Accepted author manuscript, 194 KBLicence: Other (please specify with Rights Statement)

Cite this

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AU - Baker, Chris

AU - Thaler, Lore

AU - Kish, Daniel

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AB - Some blind individuals have the ability to detect and classify objects incomplex scenes by using echolocation based on "tongue clicks". In thispaper, we present a waveform analysis of the tongue clicks collectedfrom three blind individuals who use tongue-click based echolocation ona daily basis. It is found that the tongue clicks are wideband signals andthat that the spectrum of clicks varies within and between individuals.However, by using the wideband ambiguity function, we find thatall of the clicks from three different individuals share some commoncharacteristics.

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Human echolocation: waveform analysis of tongue clicks

Abstract

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