The purpose of this evaluation is to receive the greatest benefit of new custom made hearing product technology and shell modification for the end customer and to continual improve the custom made hearing products.
This is a controlled, single blinded comparative study which is conducted monocentric at Phonak Headquarters in Staefa. The purpose of the studies is to evaluate the strengths and weaknesses of new custom product development in comparison to existing/old products. The results should promote the custom product development, to provide a maximum of benefit and wearing comfort to the hearing aid user.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Enrollment
25
Hearing aid means any wearable instrument or device designed for, offered for the purpose of, or represented as aiding persons with or compensating for, impaired hearing.
Sonova AG
Stäfa, Canton of Zurich, Switzerland
Objective measurement of speech intelligibility related to the intervention.
SNR (speech to noise ratio) in decibel.
Time frame: 5 years
Objective measurement of the transfer function related to the intervention.
REM (real ear measurement) in decibel.
Time frame: 5 years
Objective measurement from the position of the outer ear related to the test subject.
Measurement in degree.
Time frame: 5 years
Objective measurement from the size of the outer ear related to the test subject.
Measurement in micron.
Time frame: 5 years
Objective measurement of humidity in the ear canal related to the test subject and the intervention.
Measurement in percent.
Time frame: 5 years
Objective measurement of temperature in the ear canal related to the test subject and the intervention.
Measurement in degree centigrade.
Time frame: 5 years
Subjective rating of the intervention via questionnaire.
Ordinal scale
Time frame: 5 years
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