Voice Dictation

Japanese: 音声ディクテーション - おんせいでぃくてしょん
Voice Dictation

...When recognizing the 10 digits, the recognition rate is over 99%, and when recognizing consecutive spoken digit strings, the recognition rate is over 98%.
[Voice dictation/voice word processing]
In principle, if the number of words targeted by speech recognition were expanded to several thousand or tens of thousands of words, it would be possible to recognize any Japanese speech, but in practice this is difficult. Therefore, the recognition targets are narrowed down by using rules for the connection between words (usually called grammar).

*Some of the terminology that refers to "audio dictation" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…十数字の認識だと99以上の認識率が,連続して発声した数字列の認識でも98以上の認識率が得られている。
[音声ディクテーション・音声ワープロ]
 音声認識の対象単語数を数千語とか数万語に広げると,原理的には任意の日本語音声を認識できるようになるが,実際には難しい。そこで,単語間の接続関係の規則(通常は文法と呼ばれる)を用いて認識対象を絞りながら認識していく。…

※「音声ディクテーション」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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