audio response unit (ARU)

An output device that provides a spoken response to digital inquiries from a telephone or other device. The response is composed from a prerecorded vocabulary of words and can be transmitted over telecommunication lines to the location from which the inquiry originated.; 一種輸出設備, 它可以對來自電話或其它設備的數字查詢提供一個聲音應答。聲音應答 由預先錄制好的詞匯組成,并可通過遠程通信線路傳送到進行查詢的地方。