Speech understanding

Japanese: 音声理解 - おんせいりかい
Speech understanding

...If the dictionary has a vocabulary of around 20,000 words, and the speaker speaks carefully, a word recognition accuracy rate of around 90 to 95% can be achieved.
[Speech understanding, speech dialogue, and voice response systems]
The purpose of speech recognition is to correctly recognize every word of what is spoken, but in reality, recognition errors are inevitable. Even if the speech is correctly recognized, it does not mean that the spoken speech has been correctly understood.

*Some of the terminology that refers to "speech understanding" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…辞書が2万語彙程度なら,丁寧に発声すれば90~95%程度の単語認識精度が得られる。
[音声理解・音声対話・音声応答システム]
 音声認識の目的は,発声された内容を一字一句正しく認識することであるが,実際には認識誤りは避けられない。また,たとえ正しく認識できても,発声された音声を正しく理解したとはいえない。…

※「音声理解」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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