scholarly journals Speech recognition by bilateral cochlear implant users in a cocktail-party setting

2009 ◽  
Vol 125 (1) ◽  
pp. 372-383 ◽  
Author(s):  
Philipos C. Loizou ◽  
Yi Hu ◽  
Ruth Litovsky ◽  
Gongqiang Yu ◽  
Robert Peters ◽  
...  
Keyword(s):  
Speech Recognition ◽  
Cochlear Implant ◽  
Cocktail Party ◽  
Bilateral Cochlear Implant

Speech Recognition for Unilateral and Bilateral Cochlear Implant Modes in the Presence of Uncorrelated Noise Sources

2006 ◽  
Vol 27 (6) ◽  
pp. 763-773 ◽  
Author(s):  
Todd A. Ricketts ◽  
D Wesley Grantham ◽  
Daniel H. Ashmead ◽  
David S. Haynes ◽  
Robert F. Labadie
Keyword(s):  
Speech Recognition ◽  
Cochlear Implant ◽  
Noise Sources ◽  
Uncorrelated Noise ◽  
Bilateral Cochlear Implant

scholarly journals Transitioning From Bimodal to Bilateral Cochlear Implant Listening: Speech Recognition and Localization in Four Individuals

2014 ◽  
Vol 23 (1) ◽  
pp. 79-92 ◽  
Author(s):  
Lisa G. Potts ◽  
Ruth Y. Litovsky
Keyword(s):  
Speech Recognition ◽  
Cochlear Implant ◽  
Hearing Aid ◽  
Strong Preference ◽  
Bilateral Stimulation ◽  
Test Procedures ◽  
Performance Differences ◽  
Bilateral Cochlear Implant ◽  
Better Than ◽  
Bimodal Hearing

Purpose The use of bilateral stimulation is becoming common for cochlear implant (CI) recipients with either (a) a CI in one ear and a hearing aid (HA) in the nonimplanted ear (CI&HA—bimodal) or (b) CIs in both ears (CI&CI—bilateral). The objective of this study was to evaluate 4 individuals who transitioned from bimodal to bilateral stimulation. Method Participants had completed a larger study of bimodal hearing and subsequently received a second CI. Test procedures from the bimodal study, including roaming speech recognition, localization, and a questionnaire (the Speech, Spatial, and Qualities of Hearing Scale; Gatehouse & Noble, 2004) were repeated after 6–7 months of bilateral CI experience. Results Speech recognition and localization were not significantly different between bimodal and unilateral CI. In contrast, performance was significantly better with CI&CI compared with unilateral CI. Speech recognition with CI&CI was significantly better than with CI&HA for 2 of 4 participants. Localization was significantly better for all participants with CI&CI compared with CI&HA. CI&CI performance was rated as significantly better on the Speech, Spatial, and Qualities of Hearing Scale compared with CI&HA. Conclusions There was a strong preference for CI&CI for all participants. The variability in speech recognition and localization, however, suggests that performance under these stimulus conditions is individualized. Differences in hearing and/or HA history may explain performance differences.

Dichotic speech recognition by bilateral cochlear implant users

2004 ◽  
Vol 1273 ◽  
pp. 466-469 ◽  
Author(s):  
Arunvijay Mani ◽  
Philip C. Loizou ◽  
Angela Shoup ◽  
Peter Roland ◽  
Pamela Kruger
Keyword(s):  
Speech Recognition ◽  
Cochlear Implant ◽  
Bilateral Cochlear Implant
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