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. 2017 Apr;21(1):28-32.
doi: 10.7874/jao.2017.21.1.28. Epub 2017 Mar 30.

Substitution Patterns of Phoneme Errors in Hearing Aid and Cochlear Implant Users

Woojae Han  1 , Hyungi Chun  2 , Gibbeum Kim  2 , In-Ki Jin  1
Affiliations

Substitution Patterns of Phoneme Errors in Hearing Aid and Cochlear Implant Users

Woojae Han et al. J Audiol Otol. 2017 Apr.

Abstract

Background and objectives: It is acknowledged that speech perceptual errors are increased in listeners who have sensorineural hearing loss as noise increases. However, there is a lack of detailed information for their error pattern. The purpose of the present study was to analyze substitution patterns of phoneme errors in Korean hearing aid (HA) and cochlear implant (CI) users who are postlingually deafened adults.

Subjects and methods: In quiet and under two noise conditions, the phoneme errors of twenty HA and fourteen CI users were measured by using monosyllabic words, and a substitution pattern was analyzed in terms of manner of articulation.

Results: The results showed that both groups had a high percentage of nasal and plosive substitutions regardless of background conditions.

Conclusions: This finding will provide vital information for understanding the speech perception of hearing-impaired listeners and for improving their ability to communicate when applied to auditory training.

Keywords: Cochlear implant; Hearing aid; Nasal; Phoneme error; Plosive; Substitution.

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Conflict of interest statement

Conflicts of interest: The authors have no financial conflicts of interest.

Figures

Fig. 1
Fig. 1. Group mean of hearing threshold in dB HL, a function of frequency in hearing aid (HA) and cochlear implant (CI) groups
Fig. 2
Fig. 2. Graphical comparison of substitution error pattern for hearing aid (HA, top row), and cochlear implant (CI, bottom row) groups as a function of signal-to-noise ratio (SNR).
See this image and copyright information in PMC

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