V2EX line input

Line Input

Definition 释义

Line input线路输入/线性输入。指音频设备上的一种输入接口,用于接收线电平(line-level)信号(通常来自手机、电脑、播放器、调音台等),不同于麦克风输入(mic input)那种更弱的信号。

Pronunciation 发音(IPA)

/lan npt/

Examples 例句

Plug the cable into the line input.
把线缆插到线路输入接口上。

Because the line input expects a line-level signal, connecting a microphone directly may sound very quiet or noisy unless you use a preamp.
由于线路输入需要线电平信号,把麦克风直接接上去可能会很小声或噪声很大,除非使用前级放大器。

Etymology 词源

line 在音频语境里指“线路/线电平(line-level)”,强调这是设备之间传输的标准电平信号;input 表示“输入端/输入接口”。合起来 line input 就是“用于接收线电平信号的输入端口”,属于音频工程与消费电子常用术语。

Related Words 相关词汇

Notable Works 文学/著作中的用例

  • Master Handbook of Acoustics(F. Alton Everest & Ken C. Pohlmann):讨论音频系统连接与信号电平时常涉及 line input 等术语。
  • The Audio Expert(Ethan Winer):在音频设备接线、接口与电平匹配的章节中会出现 line input 的说明。
  • Sound and Recording: An Introduction(Francis Rumsey & Tim McCormick):介绍录音与信号流程时会使用 line input 来区分不同输入类型。
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