title: Evaluation of adaptive dynamic range optimization in adverse listening conditions for cochlear implants.
abstract: The aim of this study is to investigate the effect of Adaptive Dynamic Range Optimization (ADRO) on speech identification for cochlear implant (CI) users in adverse listening conditions. In this study, anechoic quiet, noisy, reverberant, noisy reverberant, and reverberant noisy conditions are evaluated. Two scenarios are considered when modeling the combined effects of reverberation and noise: (a) noise is added to the reverberant speech, and (b) noisy speech is reverberated. CI users were tested in different listening environments using IEEE sentences presented at 65 dB sound pressure level. No significant effect of ADRO processing on speech intelligibility was observed.
authors.affiliation: Department of Electrical Engineering, The University of Texas at Dallas, Richardson, Texas 75080 hussnain.ali@utdallas.edu, hazrati@utdallas.edu.
authors.forename: Hussnain
authors.initials: H
authors.lastname: Ali
authors.affiliation: Department of Electrical Engineering, The University of Texas at Dallas, Richardson, Texas 75080 hussnain.ali@utdallas.edu, hazrati@utdallas.edu.
authors.forename: Oldooz
authors.initials: O
authors.lastname: Hazrati
authors.affiliation: School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, Texas 75080 etobey@utdallas.edu.
authors.forename: Emily A
authors.initials: EA
authors.lastname: Tobey
authors.affiliation: Department of Electrical Engineering, The University of Texas at Dallas, Richardson, Texas 75080 john.hansen@utdallas.edu.
authors.forename: John H L
authors.initials: JH
authors.lastname: Hansen
mesh_terms: D000161:Acoustic Stimulation; D000368:Aged; D000369:Aged, 80 and over; D001302:Audiometry, Speech; D019929:Cochlear Implantation / Q000295:instrumentation*; D003054:Cochlear Implants; D004558:Electric Stimulation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009622:Noise / Q000009:adverse effects*; D010470:Perceptual Masking; D019986:Persons with Hearing Disabilities / Q000523:psychology / Q000534:rehabilitation*; D013065:Speech Intelligibility; D013067:Speech Perception; D014732:Vibration