V2EX noise reduction

Noise Reduction

释义 Definition

noise reduction降噪;噪声抑制。指通过技术或方法减少不需要的背景噪声,使主要信号(如语音、音乐、图像或数据)更清晰。在音频设备、摄影、通信与数据处理等领域很常见。

发音 Pronunciation

/nz rdkn/

例句 Examples

Please turn on noise reduction before you start the call.
请在开始通话前打开降噪功能。

Noise reduction can improve speech clarity, but too much processing may make voices sound unnatural.
降噪可以提升语音清晰度,但处理过度可能让人声听起来不自然。

词源 Etymology

noise一词经由古法语 noise / nois(“喧闹、骚动”)进入英语;reduction来自拉丁语 reducere(“带回、引导回”),引申为“减少、降低”。合在一起,noise reduction字面意思就是“把噪声降低/减少”,现代多用于工程与媒体技术语境。

相关词 Related Words

文学作品 Literary Works

  • Claude E. Shannon, A Mathematical Theory of Communication(1948):讨论通信系统中的“噪声”及提高可靠性的思路,语境中常涉及噪声抑制/减少。
  • Norbert Wiener, Cybernetics: Or Control and Communication in the Animal and the Machine(1948):在控制与通信的框架下谈到噪声对信息传递的影响与应对方法。
  • Nate Silver, The Signal and the Noise(2012):以“信号/噪声”为核心隐喻,涉及在复杂信息中“减少噪声、提取信号”的思路(更偏数据与预测写作语境)。
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