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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 3 4 5 Hits 1 – 20 of 82 1 Essentials of Modern Hearing Aids: Selection, Fitting, and Verification Johnson, Earl E. In: ETSU Faculty Works (2019) BASE Show details 2 Realistic Expectations for Speech Recognition with Digital Hearing Aid Devices Providing Acoustic Amplification and Noise Averting Microphones Johnson, Earl E. In: ETSU Faculty Works (2018) BASE Show details 3 OTC Hearing Aids: Balancing Safety and Accessibility Johnson, Earl E. In: ETSU Faculty Works (2018) BASE Show details 4 Comparing Hearing Loss Desensitization Factors and Their Effects on SII Ricks, Madison; Johnson, Earl E. In: ETSU Faculty Works (2018) BASE Show details 5 Foreword - Hearing Aid Technology: Model-based Concepts and Assessment Johnson, Earl E. In: ETSU Faculty Works (2017) BASE Show details 6 Hearing Aid Fitting and Developmental Outcomes of Children Fit According to Either the Nal or Dsl Prescription: Fit-to-Target, Audibility, Speech and Language Abilities Flynn, Christopher; Hou, Sanna; Zhang, Vicky W.... In: ETSU Faculty Works (2017) BASE Show details 7 Hearing aid fitting and developmental outcomes of children fit according to either the NAL or DSL prescription: fit-to-target, audibility, speech and language abilities Ching, Teresa YC; Zhang, Vicky W.; Johnson, Earl E.. - 2017 BASE Show details 8 Better Hearing Devices and Many Forms of Delivery Johnson, Earl E. In: ETSU Faculty Works (2016) BASE Show details 9 Better Hearing Leads to Learning and Knowledge Johnson, Earl E. In: ETSU Faculty Works (2016) BASE Show details 10 A Patient-Centered, Provider-Facilitated Approach to the Refinement of Nonlinear Frequency Compression Parameters Based on Subjective Preference Ratings of Amplified Sound Quality Johnson, Earl E.; Light, Keri C. In: ETSU Faculty Works (2015) BASE Show details 11 Characteristics of Speech (Part 1) and Language (Part 2) for Hearing Devices (Aids) Johnson, Earl E. In: ETSU Faculty Works (2015) BASE Show details 12 Comparing NAL-NL1 and DSL v5 in Hearing Aids Fit to Children with Severe or Profound Hearing Loss: Goodness of Fit-to-Targets, Impacts on Predicted Loudness and Speech Intelligibility Ching, Teresa Y.C.; Quar, Tian Kar; Johnson, Earl E.... In: ETSU Faculty Works (2015) BASE Show details 13 The Efficient Frontier and Beyond: Possibilities and Limitations of Hearing Aids Johnson, Earl E. In: ETSU Faculty Works (2015) BASE Show details 14 Evidences Surrounding Hearing Aid Selection, Fitting, and Evaluation Johnson, Earl E. In: ETSU Faculty Works (2015) BASE Show details 15 Comparing NAL-NL1 and DSL v5 in hearing aids fit to children with severe or profound hearing loss : goodness of fit-to-targets, impacts on predicted loudness and speech intelligibility Ching, Teresa Y. C; Quar, Tian Kar; Johnson, Earl E; Newall, Philip; Sharma, Mridula. - : American Academy of Audiology, 2015 Abstract: Background: An important goal of providing amplification to children with hearing loss is to ensure that hearing aids are adjusted to match targets of prescriptive procedures as closely as possible. The Desired Sensation Level (DSL) v5 and the National Acoustic Laboratories’ prescription for nonlinear hearing aids, version 1 (NAL-NL1) procedures are widely used in fitting hearing aids to children. Little is known about hearing aid fitting outcomes for children with severe or profound hearing loss. Purpose: The purpose of this study was to investigate the prescribed and measured gain of hearing aids fit according to the NAL-NL1 and the DSL v5 procedure for children with moderately severe to profound hearing loss; and to examine the impact of choice of prescription on predicted speech intelligibility and loudness. Research Design: Participants were fit with Phonak Naida V SP hearing aids according to the NAL-NL1 and DSL v5 procedures. The Speech Intelligibility Index (SII) and estimated loudness were calculated using published models. Study Sample: The sample consisted of 16 children (30 ears) aged between 7 and 17 yr old. Data Collection and Analysis: The measured hearing aid gains were compared with the prescribed gains at 50 (low), 65 (medium), and 80 dB SPL (high) input levels. The goodness of fit-to-targets was quantified by calculating the average root-mean-square (RMS) error of the measured gain compared with prescriptive gain targets for 0.5, 1, 2, and 4 kHz. The significance of difference between prescriptions for hearing aid gains, SII, and loudness was examined by performing analyses of variance. Correlation analyses were used to examine the relationship between measures. Results: The DSL v5 prescribed significantly higher overall gain than the NAL-NL1 procedure for the same audiograms. For low and medium input levels, the hearing aids of all children fit with NAL-NL1 were within 5 dB RMS of prescribed targets, but 33% (10 ears) deviated from the DSL v5 targets by more than 5 dB RMS on average. For high input level, the hearing aid fittings of 60% and 43% of ears deviated by more than 5 dB RMS from targets of NAL-NL1 and DSL v5, respectively. Greater deviations from targets were associated with more severe hearing loss. On average, the SII was higher for DSL v5 than for NAL-NL1 at low input level. No significant difference in SII was found between prescriptions at medium or high input level, despite greater loudness for DSL v5 than for NAL-NL1. Conclusions: Although targets between 0.25 and 2 kHz were well matched for both prescriptions in commercial hearing aids, gain targets at 4 kHz were matched for NAL-NL1 only. Although the two prescriptions differ markedly in estimated loudness, they resulted in comparable predicted speech intelligibility for medium and high input levels. ; 15 page(s) Keyword: DSL v5; Loudness; Measured gain; NAL-NL1; Prescribed gain; Real-ear-to-coupler difference; SII; Speech Intelligibility Index URL: http://hdl.handle.net/1959.14/1060748 BASE Hide details 16 The Adjustment of Hearing Aid Amplification Parameters for Children to Promote Good Outcomes Johnson, Earl E. In: ETSU Faculty Works (2014) BASE Show details 17 Development of a Super-Directional System, Past, Present and Future Meija, Jorge; von Hoesel, Richard; O’Brien, Anna... In: ETSU Faculty Works (2014) BASE Show details 18 Stepping Through the Evidence of Hearing Aid Selection and Fitting Johnson, Earl E. In: ETSU Faculty Works (2014) BASE Show details 19 Perspectives from Abroad on Hearing Aid Fitting and Dispensing Practices: Part 2 Johnson, Earl E. In: ETSU Faculty Works (2014) BASE Show details 20 Patient Preference for Generic Prescription Alternatives at the Initial Fitting Kirbo, A.; Johnson, Earl E. In: ETSU Faculty Works (2014) BASE Show details Page: 1 2 3 4 5

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