PURPOSE:To obtain an automatic converter for an assimilated sound and a semivoiced sound with a KANJI/KANA converting system by deciding the generating conditions for vocal sound changes of an assimilated sound and a semivoiced sound. CONSTITUTION:The conversion of reading of each KANJI into an assimilated sound and a semivoiced sound occurs in case each of continuous KANJI uses a ''coupling'' method respectively. It is decided in the KANJI/KANA conversion whether the KANJI applies the ''coupling'' method. For this purpose, the methods which can be applied to each KANJI are registered to a KANJI usage dictionary together with examples when necessary. Then an example is decided with reference to the dictionary as well as the decision of connection. Then an assimilated sound and the semivoiced sound are produced automatically when the coincidence is obtained between a generation pattern for an assimilated sound and a semivoiced sound and the whole or a part of the reading of preceding KANJI or following KANJI. An euphonic change correction dictionary is also used for some words having unsuitable phonemic changes for conversion into an assimilated sound and a semivoiced sound.
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