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The levels of comfortable loudness and those of maximal intelligibility were evaluated in 88 schoolchildren with dull hearing (20-90 dB reduction). All the examinees had the levels of comfortable loudness in the range of the maximal intelligibility, this permitting it to be a criterion in determination of optimal amplification in hearing aids. A significant(More)
The efficacy of sound reinforcement at two bandwidths (high frequency at 250-5000 Hz and low frequency at higher than 1000 Hz frequencies with a steepness of 14 dB in the octave) in the hearing aids of children with hypoacusis was investigated. Altogether 67 children at the age of 11 to 14 years with an average hearing impairment of 35 to 97 dB were(More)
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