Study Results
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View full resultsBasic Information
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COMPLETED
NA
25 participants
INTERVENTIONAL
2023-05-01
2023-10-11
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NA
SINGLE_GROUP
Additionally, in other outcome measures, participants will listen to pre-recorded stimuli that have the various frequency response curves applied. In this case, participants once again will be exposed to different hearing aid curves while simply listening via headphones and making preference selections. In the end, participants can be exposed to different hearing aid variations (i.e., interventions) simultaneously and have the ability to go back and forth between interventions.
TREATMENT
NONE
Study Groups
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Participants with Hearing Loss
Individuals with hearing loss that meet the candidacy to wear hearing aids. All interventions are associated with the fitting of binaural hearing aids with various coupling methods. All participants will be assessed under all interventions.
Hearing Aid - Standard Curve under Program 1
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 1
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Hearing Aid - Variation #2 under Program 5 - Streaming Only
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #3 under Program 5 - Streaming Only
Hearing aids that will have the frequency response curve #3 adjusted and fit to the participant's hearing loss.
Hearing Aid - Variation #4under Program 5 - Streaming Only
Hearing aids that will have the frequency response curve #4 adjusted and fit to the participant's hearing loss.
Hearing Aid - Standard Curve under Program 2
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 2
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Hearing Aid - Standard Curve under Program 3
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 3
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Hearing Aid - Standard Curve under Program 4
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 4
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Unaided
No hearing aids worn at all and participants tested as is.
Interventions
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Hearing Aid - Standard Curve under Program 1
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 1
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Hearing Aid - Variation #2 under Program 5 - Streaming Only
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #3 under Program 5 - Streaming Only
Hearing aids that will have the frequency response curve #3 adjusted and fit to the participant's hearing loss.
Hearing Aid - Variation #4under Program 5 - Streaming Only
Hearing aids that will have the frequency response curve #4 adjusted and fit to the participant's hearing loss.
Hearing Aid - Standard Curve under Program 2
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 2
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Hearing Aid - Standard Curve under Program 3
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 3
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Hearing Aid - Standard Curve under Program 4
Our current hearing aids which will be programmed to our standard frequency response curve.
Hearing Aid - Variation #1 under Program 4
Hearing aids that will have the frequency response curve #1 adjusted and fit to the participant's hearing loss.
Unaided
No hearing aids worn at all and participants tested as is.
Eligibility Criteria
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Inclusion Criteria
* Healthy Outer ear
* No visible congenital or traumatic deformity of the outer ear
* Symmetrical hearing loss - no air-bone gap greater than 10 dB at all 500, 1000, 2000, and 4000 Hz.
* Ability to answer questions and repeat sentences
* No history of problematic tinnitus or pain/discomfort from loud sounds
* No history of active drainage from the ears in the past 90 days
* Willingness to wear different styles of couplings
* Willingness to wear binaural fitting
* Experienced Users = more than 3 months of hearing aid experience
* Ability to travel to Sonova facilities
Exclusion Criteria
* Limited mobility/not able to come to the scheduled visit
* Inability to produce reliable hearing test results
* History of active drainage from the ear in the previous 90 days
* Abnormal appearance of the eardrum and ear canal.
18 Years
99 Years
ALL
Yes
Sponsors
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Sonova AG
INDUSTRY
Responsible Party
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Principal Investigators
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Jinyu Qian, PhD
Role: PRINCIPAL_INVESTIGATOR
Sonova AG
Locations
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Sonova - Kitchener
Kitchener, Ontario, Canada
Countries
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References
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Vaisberg J, Folkeard P, Levy S, Dundas D, Agrawal S, Scollie S. Sound Quality Ratings of Amplified Speech and Music Using a Direct Drive Hearing Aid: Effects of Bandwidth. Otol Neurotol. 2021 Feb 1;42(2):227-234. doi: 10.1097/MAO.0000000000002915.
Harianawala J, Galster J, Hornsby B. Psychometric Comparison of the Hearing in Noise Test and the American English Matrix Test. J Am Acad Audiol. 2019 Apr;30(4):315-326. doi: 10.3766/jaaa.17112. Epub 2018 Sep 25.
Wu YH, Stangl E, Chipara O, Hasan SS, Welhaven A, Oleson J. Characteristics of Real-World Signal to Noise Ratios and Speech Listening Situations of Older Adults With Mild to Moderate Hearing Loss. Ear Hear. 2018 Mar/Apr;39(2):293-304. doi: 10.1097/AUD.0000000000000486.
Neuman AC, Bakke MH, Hellman S, Levitt H. Effect of compression ratio in a slow-acting compression hearing aid: paired-comparison judgments of quality. J Acoust Soc Am. 1994 Sep;96(3):1471-8. doi: 10.1121/1.410289.
Caswell-Midwinter B, Whitmer WM. Discrimination of Gain Increments in Speech-Shaped Noises. Trends Hear. 2019 Jan-Dec;23:2331216518820220. doi: 10.1177/2331216518820220.
Smeds K, Wolters F, Rung M. Estimation of Signal-to-Noise Ratios in Realistic Sound Scenarios. J Am Acad Audiol. 2015 Feb;26(2):183-96. doi: 10.3766/jaaa.26.2.7.
Bisgaard N, Vlaming MS, Dahlquist M. Standard audiograms for the IEC 60118-15 measurement procedure. Trends Amplif. 2010 Jun;14(2):113-20. doi: 10.1177/1084713810379609.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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SRF-12972
Identifier Type: -
Identifier Source: org_study_id
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