Evaluation of Frequency Lowering Technique
Not Applicable
Completed
- Conditions
- Hearing Loss
- Registration Number
- NCT02303210
- Lead Sponsor
- Phonak AG, Switzerland
- Brief Summary
The purpose of this study is to examine two frequency lowering techniques in case of audibility, recognition, distinction, discriminability and sound quality.
- Detailed Description
This is a controlled, single blinded and randomised comparative study which is conducted monocentric at Hoerzentrum Oldenburg, Germany. The focus is to test two frequency lowering techniques with an amount of 30 moderate to severe, symmetrically sensorineural hearing impaired adult subjects. The subjects, all of them native German speakers, individually conduct a number of laboratory standard tests and home trials (questionnaires) during 6 months including seven appointments of 2 hours.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 30
Inclusion Criteria
- female and male adults (>18 years old)
- mild to severe Hearing Loss
- symmetric Hearing Loss
- german native speakers
Exclusion Criteria
- persons who are not able to attend multiple appointments
- persons who are not able to handle a hearing aid
- persons with a mental handicap
- persons with limited access to multiple hearing situations
- persons with psychological disease
- no acclimatization to hearing aids
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Primary Outcome Measures
Name Time Method Audibility improvement (Delta of dB SPL thresholds) of high frequency sounds measured with a Phoneme Perception Test. 6 months
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Hoerzentrum Oldenburg
🇩🇪Oldenburg, Niedersachsen, Germany
Hoerzentrum Oldenburg🇩🇪Oldenburg, Niedersachsen, Germany