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- Title
Perception of Sung Speech in Bimodal Cochlear Implant Users.
- Authors
Crew, Joseph D.; Galvin III, John J.; Qian-Jie Fu
- Abstract
Combined use of a hearing aid (HA) and cochlear implant (CI) has been shown to improve CI users' speech and music performance. However, different hearing devices, test stimuli, and listening tasks may interact and obscure bimodal benefits. In this study, speech and music perception were measured in bimodal listeners for CI-only, HA-only, and CI+HA conditions, using the Sung Speech Corpus, a database of monosyllabic words produced at different fundamental frequencies. Sentence recognition was measured using sung speech in which pitch was held constant or varied across words, as well as for spoken speech. Melodic contour identification (MCI) was measured using sung speech in which the words were held constant or varied across notes. Results showed that sentence recognition was poorer with sung speech relative to spoken, with little difference between sung speech with a constant or variable pitch; mean performance was better with CI-only relative to HAonly, and best with CI+HA. MCI performance was better with constant words versus variable words; mean performance was better with HA-only than with CI-only and was best with CI+HA. Relative to CI-only, a strong bimodal benefit was observed for speech and music perception. Relative to the better ear, bimodal benefits remained strong for sentence recognition but were marginal for MCI. While variations in pitch and timbre may negatively affect CI users' speech and music perception, bimodal listening may partially compensate for these deficits.
- Subjects
ANALYSIS of variance; AUDITORY perception; CHI-squared test; COCHLEAR implants; HEARING aids; MUSIC; MUSICAL perception; INTONATION (Phonetics); PROBABILITY theory; RESEARCH funding; SPEECH evaluation; SPEECH perception; INTELLIGIBILITY of speech; STATISTICS; DATA analysis; SOUND spectrography
- Publication
Trends in Hearing, 2016, Vol 20, p1
- ISSN
2331-2165
- Publication type
Article
- DOI
10.1177/2331216516669329