Advanced measures of bone anchored hearing aids: Do they correlate with perceptual judgments?
Keywords:Acoustic measuring instruments, Bone, Natural frequencies, Patient treatment, Potentiometers (electric measuring instruments), Speech, Telecommunication industry, Mean frequency response, Sound quality, Standard deviation, Visual analogue scale (VAS)
AbstractThe ability of normal hearing linteners to differentiate the sound quality of different Bone-Anchored Hearing Aids's (BAHA) different processing condition was investigated. For the study, two objective measures of sound quality were obtained form the input and output BAHA recordings using MATLAB. A predictable advantage was found for the Compact with output compression as the input speech level increased. However, for the Compact, a consequence of output compression is reduced MPO.
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