V2EX speaker-level

Speaker-level

释义 Definition

speaker-level(音频)指“扬声器电平/功放输出电平”:通常是功放输出到音箱端子的高电压、可驱动负载(如 48Ω 音箱)的信号电平;与line-level(线路电平)等低电平信号相对。该词多作形容词使用(如 speaker-level input/output)。

发音 Pronunciation (IPA)

/spikr lvl/

例句 Examples

The amp provides a speaker-level output.
这台功放提供扬声器电平输出。

If you connect a speaker-level signal to a line-level input, you may cause distortion or even damage unless you use a proper attenuator or high-level adapter.
如果把扬声器电平信号接到线路电平输入上,除非使用合适的衰减器或高电平转换器,否则可能产生失真,甚至造成损坏。

词源 Etymology

这是一个由 speaker(扬声器)+ level(电平/信号强度)构成的复合词(常写作带连字符的 speaker-level),来自音频工程语境,用来区分“用于驱动扬声器的高电平信号”和“用于传输/输入的低电平信号”(如线路电平、麦克风电平)。

相关词 Related Words

文献与作品 Literary / Notable Works

  • The Yamaha Sound Reinforcement Handbook(常见于讨论功放输出、扬声器连接与电平匹配的章节)
  • Master Handbook of Acoustics(涉及音频系统与功放/扬声器基础时常会提到相关概念与术语)
  • 常见于音频设备说明书与标准文档(如功放、车载主机、主动低音炮“高电平输入/扬声器电平输入”的接线说明)
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