voice-grade line 中文意思是什麼
voice-grade line
解釋
音頻線路-
Improving the signal quality of a voice - grade data line to improve the speed or accuracy
改善聲音通道數據線的信號質量以提高速度或精度。 -
In data communication, the addition of equipment to a leased voice - grade channel to provide minimum values of line characteristics required for data transmission
在數據通信中,在租用的音頻通道上增加設備以提供數據傳輸所要求的線路特性的最小值。 -
Telecommunications - interface between carriers and customer installations - analog voice grade switched access lines using loop - start and ground - start signaling with line - side answer supervision feature
電信.載體和用戶裝置間的介面.帶邊線應答性能的環路啟動和接地啟動信令的模擬音頻轉換訪問線路 -
Newton ' s telecom dictionary : ". . greater than a voice grade line of 3 khz. . some say [ it should be at least ] 20 khz.
牛頓電信辭典: 「比3千赫茲的聲音級別高,有些據說至少要達到20千赫茲。 」
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