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Sound Quality Comparisons With Different Hearing Aid Couplings and Venting Systems

Sound Quality and Occlusion Comparisons With Different Hearing Aid Couplings and Venting Systems

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05180630
Enrollment
17
Registered
2022-01-06
Start date
2021-10-01
Completion date
2022-04-22
Last updated
2023-06-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hearing Loss, Sensorineural

Brief summary

Participants will be comparing the sound quality of their own voice and the sound quality of streamed music using universal couplings and a custom earmold with a dynamic vent.

Interventions

DEVICEAudeo P90 hearing aid with custom earmolds using dynamic venting

Audeo P90 hearing aids coupled to custom earmolds that use dynamic venting.

DEVICEAudeo P90 hearing aid with Open domes

Audeo P90 hearing aid coupled with non-custom, manufacturer open domes

DEVICEAudeo P90 hearing aid with Vented domes

Audeo P90 hearing aid coupled with non-custom, manufacturer vented domes

Sponsors

Sonova AG
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
Yes

Inclusion criteria

* Mild to severe bilateral sensorineural hearing loss * hearing must be symmetrical below 500 Hz * must live within 30 miles of Aurora IL

Exclusion criteria

\-

Design outcomes

Primary

MeasureTime frameDescription
Sound Quality of Streamed Music Rating Scale1 daysubjective rating on scale from 0 (worst) to 100 (best) for sound quality of streamed signal
Own Voice Sound Quality Rating Scale1 daysubjective rating on a scale from 0 (worst) to 100 (best) for sound quality of participant's own voice quality.

Countries

United States

Participant flow

Participants by arm

ArmCount
Study Group
Group will be fit using three different hearing aid couplings. Each participant will be supplying a rating of sound quality for each condition. Audeo P90 hearing aid with compatible couplings: Audeo P90 hearing aids will be fit with three different compatible couplings.
14
Total14

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
First InterventionPhysician Decision003

Baseline characteristics

CharacteristicStudy Group
Age, Continuous71 years
Mild to moderate hearing loss14 Participants
Race and Ethnicity Not Collected— Participants
Region of Enrollment
United States
14 participants
Sex: Female, Male
Female
6 Participants
Sex: Female, Male
Male
8 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 140 / 140 / 17
other
Total, other adverse events
0 / 140 / 140 / 17
serious
Total, serious adverse events
0 / 140 / 140 / 17

Outcome results

Primary

Own Voice Sound Quality Rating Scale

subjective rating on a scale from 0 (worst) to 100 (best) for sound quality of participant's own voice quality.

Time frame: 1 day

Population: All participants who rated sound quality of own voice using hearing aids with all three coupling systems.

ArmMeasureGroupValue (MEAN)
Custom Earmolds, Then Open Domes, Then Vented DomesOwn Voice Sound Quality Rating ScaleSubjective rating of own voice sound quality using vented domes85 score on a scale
Custom Earmolds, Then Open Domes, Then Vented DomesOwn Voice Sound Quality Rating ScaleSubjective rating of own voice sound quality using open domes80 score on a scale
Custom Earmolds, Then Open Domes, Then Vented DomesOwn Voice Sound Quality Rating ScaleSubjective rating of own voice using custom earmolds with dynamic venting69.2 score on a scale
Open Domes, Then Vented Domes, Then Custom EarmoldsOwn Voice Sound Quality Rating ScaleSubjective rating of own voice sound quality using vented domes73 score on a scale
Open Domes, Then Vented Domes, Then Custom EarmoldsOwn Voice Sound Quality Rating ScaleSubjective rating of own voice using custom earmolds with dynamic venting75 score on a scale
Open Domes, Then Vented Domes, Then Custom EarmoldsOwn Voice Sound Quality Rating ScaleSubjective rating of own voice sound quality using open domes78 score on a scale
Vented Domes, Then Custom Earmolds, Then Open DomesOwn Voice Sound Quality Rating ScaleSubjective rating of own voice sound quality using open domes50 score on a scale
Vented Domes, Then Custom Earmolds, Then Open DomesOwn Voice Sound Quality Rating ScaleSubjective rating of own voice using custom earmolds with dynamic venting40 score on a scale
Vented Domes, Then Custom Earmolds, Then Open DomesOwn Voice Sound Quality Rating ScaleSubjective rating of own voice sound quality using vented domes65 score on a scale
Comparison: Treatment order was not analyzed. A repeated measures ANOVA was performed to compare the effect of the coupling conditions on sound quality ratings for own voice, but there was no analysis between groups.p-value: 0.154ANOVA
Primary

Sound Quality of Streamed Music Rating Scale

subjective rating on scale from 0 (worst) to 100 (best) for sound quality of streamed signal

Time frame: 1 day

Population: All participants who evaluated the sound quality of streamed music using all three coupling systems.

ArmMeasureGroupValue (MEAN)
Custom Earmolds, Then Open Domes, Then Vented DomesSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music using open domes90 score on a scale
Custom Earmolds, Then Open Domes, Then Vented DomesSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music with custom earmolds84 score on a scale
Custom Earmolds, Then Open Domes, Then Vented DomesSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music using vented domes94 score on a scale
Open Domes, Then Vented Domes, Then Custom EarmoldsSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music using open domes62.5 score on a scale
Open Domes, Then Vented Domes, Then Custom EarmoldsSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music using vented domes81 score on a scale
Open Domes, Then Vented Domes, Then Custom EarmoldsSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music with custom earmolds70 score on a scale
Vented Domes, Then Custom Earmolds, Then Open DomesSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music with custom earmolds70 score on a scale
Vented Domes, Then Custom Earmolds, Then Open DomesSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music using open domes80 score on a scale
Vented Domes, Then Custom Earmolds, Then Open DomesSound Quality of Streamed Music Rating ScaleSubjective sound quality rating of streamed music using vented domes90 score on a scale
Comparison: Treatment order was not analyzed. A repeated measures ANOVA was performed to compare the effect of the coupling conditions on sound quality ratings for streamed music, but there was no analysis between groups.p-value: 0.012ANOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026