Relation Between Suitable Maximum Power output (MPO) of Hearing Aids and Unconfatable Loudness Level (UCL)

The suitable MPO levels of hearing aids were compared with the UCLs in 279 cases with mild and moderate sensorineural hearing loss. The suitable MPO levels were fixed by repeated adjustment and audition of hearing aids, and UCLs were measured beforehand. In most cases, MPO levels were fixed lower th...

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Bibliographic Details
Published inAUDIOLOGY JAPAN Vol. 36; no. 1; pp. 42 - 47
Main Authors Okada, Shinichi, Ishii, Kumi, Ase, Yuji, Arai, Takashi, Usami, Masami
Format Journal Article
LanguageEnglish
Published Japan Audiological Society 1993
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Summary:The suitable MPO levels of hearing aids were compared with the UCLs in 279 cases with mild and moderate sensorineural hearing loss. The suitable MPO levels were fixed by repeated adjustment and audition of hearing aids, and UCLs were measured beforehand. In most cases, MPO levels were fixed lower than UCLs, and the difference between the two was large in a few cases. In few cases, MPO levels were fixed higher than UCLs, but the difference between the two was small. The difference between MPO levels and UCLs varied in each cases, and definite relation between MPO levels and UCLs was not found. Clinically, UCL is not useful as a guideline for adjustment of MPO Level.
ISSN:0303-8106
1883-7301
DOI:10.4295/audiology.36.42