V2EX line-in

Line-in

定义 Definition

(音频)“线路输入/Line-in”,指设备上用于接收线电平(line-level)外部音频信号的输入接口或输入通道,常见于电脑声卡、音箱、调音台、录音设备等。
(注:在别的语境里 line in 也可能是动词短语,表示“排队进入/把……排成一列”,但 line-in 连字符形式最常见于音频接口含义。)

发音 Pronunciation (IPA)

/lan n/

例句 Examples

I plugged my phone into the line-in to play music through the speakers.
我把手机接到线路输入口,用音箱播放音乐。

Because the keyboard outputs a line-level signal, connecting it to the mixer’s line-in reduces noise compared with using the mic input.
由于电子琴输出的是线电平信号,把它接到调音台的线路输入通常比接麦克风输入更不容易产生噪声。

词源 Etymology

line 在音频里指“线路/线电平信号通道”(区别于 mic 的麦克风电平),in 表示“输入端”。合起来 line-in 就是“线路输入”,强调这是给外部音源的标准线电平信号使用的输入接口。

相关词 Related Words

文学与著作 Literary Works

该词更常见于技术写作与音频教材/手册中,较少出现在传统小说文学中,例如:

  • Modern Recording Techniques(David Miles Huber)
  • Sound and Recording: An Introduction(Francis Rumsey, Tim McCormick)
  • The Audio Expert(Ethan Winer)
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