Pre-calculation for Frequency Lowering With Hearing Devices

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT05733169

Enrollment

Registered

2023-02-17

Start date

2023-01-16

Completion date

2023-04-04

Last updated

2023-08-30

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

Conditions

Frequency Lowering

Brief summary

Perceptual evaluation of the parametrization and pre-calculation of frequency lowering requires the participation of subjects with hearing loss.

Interventions

OTHERFrequency lowering intervention

Modified parametrization of the current frequency lowering parametrization.

OTHERFrequency lowering reference

Current frequency lowering parametrization

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* Experienced hearing aid user (minimum use duration 1 year) * Adult (minimum age: 18 years), * Experience with frequency lowering, * Hearing thresholds with N5-N7, S1, S2, S3 hearing loss * Symmetrical hearing loss (difference between ears \<= 10 dB for 1kHz-6kHz) , * Sensorineural hearing loss, * Air Conduction - bone conduction gap \<= 10 dB, * Written and spoken German, * Ability to understand instruction, * Ability to describe listening experiences, * Ability to attend to the appointments, * Ability to fill in a questionnaire conscientiously * Healthy outer ear (without previous surgical procedures) * Hearing loss within the fitting ranges of the investigational product, * Informed consent as documented by signature.

Exclusion criteria

* Clinical contraindications deformity of the ear (closed ear canal * or absence of pinna), * Not willing to wear the hearing aid, * Fluctuating hearing that could influence the results, * Contraindications to the MD in this study, e.g. known hypersen-sitivity or allergy to the investigational product, * Limited mobility and not in the position to attend all appoint-ments, * Limited ability to describe listening impressions/experiences and the use of the hearing aid, * Inability to produce a reliable hearing test result, * Massively limited dexterity, * Known psychological problems, * Known central hearing disorders.

Design outcomes

Primary

Measure	Time frame
Measurement of sound quality and audibility of high-frequency sounds for hearing-impaired subjects with the new parametrization compared to the current implementation of the parametrization.	6 weeks

Countries

Switzerland

Outcome results

None listed

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