V2EX line output

Line Output

Definition / 释义

Line output(名词):(多指音频设备上的)线路输出、线电平输出口,用于把设备的音频信号以“线电平(line level)”输出到功放、调音台、录音设备或音箱等外部设备。(在不同领域也可泛指“线路/行输出”,但最常见于音频场景。)

Pronunciation / 发音

/lan atpt/

Examples / 例句

Please connect the speakers to the line output.
请把音箱连接到线路输出口。

The mixer’s line output feeds a clean signal to the recorder, but you may still need to adjust the input gain to avoid clipping.
调音台的线路输出把干净的信号送到录音机,但你可能仍需要调节输入增益以避免削波失真。

Etymology / 词源

line(线路;线电平)+ output(输出)构成的复合词。这里的 line 指“线电平音频信号”(不同于麦克风电平或耳机/功放后的扬声器电平),因此 line output 特指“以线电平输出信号的接口/端口”。

Related Words / 相关词

Literary Works / 文学与作品引用

  • Modern Recording Techniques(David Miles Huber, Robert E. Runstein):录音技术教材中常以 line output 讨论设备连接与电平匹配。
  • Yamaha Sound Reinforcement Handbook:扩声系统手册中用 line output 讲解调音台到功放/处理器的信号链路。
  • Principles of Digital Audio(Ken C. Pohlmann):在数字音频系统与接口连接的语境中会涉及 line-level / line output 等术语。
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