A machine conceived with the hope of printing out spoken words as characters. It has not yet been realized, but there is great hope that it will be used as an input method for Japanese word processors, which will be the core of office automation in the future, and research and development is continuing. The first type that is expected to be realized is one that recognizes Japanese monosyllables (sounds corresponding to one kana character) spoken one by one, and links the results to kana-kanji conversion. Research is also continuing on recognizing any Japanese speech spoken continuously, and some practical applications are becoming clear. There is active research into a type of system that allows for fairly free input of information by voice for a limited purpose (task) by repeating a question-and-answer format of voice communication, and this is called a speech understanding system. Typical examples are being attempted for seat reservations and information guidance for airplanes and trains. The realization of a talking typewriter can be said to be one of the dreams of research into speech information processing. [Kazuo Nakata] [Reference] |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
人間の話すことばがそのまま文字となって印字されることを願望して考えられた機械。現在まだ実現されていないが、将来オフィスオートメーションの中核となる日本語ワードプロセッサーの入力手段としての期待が大きく、研究開発が続けられている。いちばん早く実現されると思われるのは、日本語の単音節(仮名文字一字に対応する音)を一音一音くぎって発声したものを認識し、その結果を仮名漢字変換と結び付けるものである。連続的に発声された任意の日本語音声を認識する研究も続けられており、一部実用化の見通しもつきつつある。音声による質問回答形式のやりとりを繰り返すことによって、ある限定された目的(タスク)に対しては、音声によってかなり自由に情報を入力できる形の研究が盛んであり、これを音声理解システムとよんでいる。たとえば、航空機や列車の座席予約や情報案内などがその典型として試みられている。音声タイプライターの実現は音声情報処理研究の一つの夢ということができる。 [中田和男] [参照項目] |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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