日本音響学会誌
Online ISSN : 2432-2040
Print ISSN : 0369-4232
補聴器のための周波数圧縮音声の明瞭度特性
関本 荘太郎齋藤 收三
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1985 年 41 巻 12 号 p. 841-849

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A frequency compression technique for the hearing impaired was studied. In order to elucidate the validity of the frequency compressed speech for the hearing impaired, intelligibility test was made with simulated hearing loss for normal hearing subjects. Results showed that (1) the intelligibility was improved by the frequency compression for vowels, but for consonants, (2) the optimum frequency compression ratio varied depending on the individual hearing loss characteristics as well as on the formant and the fundamental frequencies of the input speech, (3) lowering of the fundamental frequency resulted in higher intelligibility in the frequency compressed speech, and (4) the improvement in intelligibility was observed in the particular vowels.

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© 1985 一般社団法人 日本音響学会
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