Development and Evaluation of a New CI Pitch Perception Test - the Glide Tone Test

Master thesis (2022)

Authors

I.M. Venema Mechanical Engineering

Contributors

R.C. Hendriks Signal Processing Systems - EEMCS (mentor)
JJ Briaire Leiden University Medical Center (graduation committee member)
Faculty
Mechanical Engineering, Mechanical Engineering
Copyright: © 2022 Ilja Venema
More Info
expand_more

Published Date

07-11-2022

Language

English

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Faculty

Mechanical Engineering

Abstract

Current speech-encoding strategies in cochlear implants (CI’s) do not provide their users with sufficient spectral resolution for complex listening tasks and pitch perception. This paper presents a new test that has been developed to assess pitch perception: the glide tone test (GTT). A total of 25 normal hearing (NH) participants were tested to find their just noticeable difference (JND) between glide tones with a fixed range but a different exponent. The stimuli used mimic the sound spectrum of a violin and have 20 harmonics added to the fundamental frequency (F0). This paper also investigated possible learning effects the test
might possess, evaluated user-friendliness and optimised the procedure. The paper presents the JND scores obtained by the NH subjects, as well as the new testing method itself. Suggestions for further experiments with the GTT are made.

Files

Thesisvfinal.pdf
(.pdf | 4.14 Mb)