Assessment of Novel Sound Changing Principles in Hearing Instruments to Determine Their Application - 2020_09
NCT ID: NCT04578457
Last Updated: 2021-10-05
Study Results
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View full resultsBasic Information
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COMPLETED
NA
19 participants
INTERVENTIONAL
2020-10-23
2021-04-22
Brief Summary
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Each participant performs the Speech perception task with each algorithm (reference, noise reduction I, noise reduction II, noise reduction III), at two individualized signal-to-noise ratios (SRT90 and SRT50). Additionally subjective performance ratings in real-life will be collected.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
SINGLE
Study Groups
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Hearing Aid without NR(0) enabled
Hearing Aid without Noise Reduction (NR 0) enabled serves as reference condition.
Hearing Aid without NR enabled
Each participant will be fitted with noise reduction disabled. Disabled means that no sound processing algorithm that removes noise from the speech signal is active.
Hearing Aid with NR (1)
Hearing Aid with Noise Reduction I (NR) enabled.
Hearing Aid with NR(1)
Each participant will be fitted with the noise reduction program on the same hearing aid. The principle of the noise reduction algorithm is to remove noise from a speech signal with the aim of improving the speech intelligibility and comfort.
Hearing Aid with NR(2)
Hearing Aid with Noise Reduction II (NR) enabled.
Hearing Aid with NR(2)
Each participant will be fitted with a second noise reduction program on the same hearing aid. The parameterization of this NR algorithm differs from that in NR(1).
Hearing Aid with NR(3)
Hearing Aid with Noise Reduction III (NR) enabled.
Hearing Aid with NR(3)
Each participant will be fitted with a third noise reduction program on the same hearing aid. The parameterization of this NR algorithm differs from that in NR(1) and NR(2).
Interventions
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Hearing Aid without NR enabled
Each participant will be fitted with noise reduction disabled. Disabled means that no sound processing algorithm that removes noise from the speech signal is active.
Hearing Aid with NR(1)
Each participant will be fitted with the noise reduction program on the same hearing aid. The principle of the noise reduction algorithm is to remove noise from a speech signal with the aim of improving the speech intelligibility and comfort.
Hearing Aid with NR(2)
Each participant will be fitted with a second noise reduction program on the same hearing aid. The parameterization of this NR algorithm differs from that in NR(1).
Hearing Aid with NR(3)
Each participant will be fitted with a third noise reduction program on the same hearing aid. The parameterization of this NR algorithm differs from that in NR(1) and NR(2).
Eligibility Criteria
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Inclusion Criteria
* Ability to fill in a questionnaire conscientiously
* Informed Consent as documented by signature
* Minimum 1 year hearing aid experience
* Moderate-Severe (N3-N5) hearing loss or Normal Hearing
Exclusion Criteria
* Limited mobility and not in the position to attend weekly appointments
* Inability to produce a reliable hearing test result
* Massively limited dexterity
* Known psychological problems
* Known central hearing disorders
18 Years
99 Years
ALL
No
Sponsors
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Sonova AG
INDUSTRY
Responsible Party
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Locations
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Sonova AG
Stäfa, , Switzerland
Countries
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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Sonova2020_09
Identifier Type: -
Identifier Source: org_study_id
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