Bimodal hearing benefit for speech recognition with competing voice in cochlear implant subject with normal hearing in contralateral ear
Cullington, Helen E. and Zeng, Fan-Gang (2010) Bimodal hearing benefit for speech recognition with competing voice in cochlear implant subject with normal hearing in contralateral ear. Ear and Hearing, 31, (1), 70-73. (doi:10.1097/AUD.0b013e3181bc7722)
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Official URL: http://dx.doi.org/10.1097/AUD.0b013e3181bc7722
Description/Abstract
Objectives: This project assessed electroacoustic benefit for speech recognition with a competing talker.
Design: Using a cochlear implant subject with normal hearing in the contralateral ear, the contribution of low-pass and high-pass natural sound to speech recognition was systematically measured.
Results: High-frequency sound did not improve performance, but low-frequency sound did, even when unintelligible and limited to frequencies below 150 Hz.
Conclusions: The low-frequency sound assists separation of the two talkers, presumably using the fundamental frequency cue. Extrapolating this finding to regular cochlear implant users may suggest that using a hearing aid on the contralateral ear will improve performance, even with limited residual hearing.
| Item Type: | Article |
|---|---|
| Additional Information: | |
| ISSN: | 0196-0202 (print) |
| Related URLs: | http://dx.doi.org/10.1097/AUD....3181bc7722 |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | University Structure - Pre August 2011 > Institute of Sound and Vibration Research |
| ePrint ID: | 71559 |
| Deposited On: | 05 Mar 2010 |
| Last Modified: | 01 Jun 2011 13:34 |
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