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English(EN) What's the difference between active noise canceling and passive?

主动降噪与被动降噪详解

主动降噪(ANC)耳机利用板载计算机和算法生成“反向噪声”,在环境声波到达耳膜之前将其物理抵消。这项技术已变得非常普及,从一个小众产品发展成为消费类音频设备中的常见功能。另一方面,被动降噪则依赖物理屏障,如耳罩或耳塞,来阻挡外部噪音。大多数耳机和耳塞通过覆盖耳朵或填充耳道,本身就提供被动降噪功能,而ANC的效果也会受到这种被动密封质量的影响。 AI

排序理由 文章解释了一个技术概念,而不是报道新的发展或事件。

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主动降噪与被动降噪详解

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报道来源 [1]

  1. Engadget TIER_1 English(EN) · [email protected] (Max Miller) ·

    主动降噪和被动降噪有什么区别?

    The frustrating science of keeping your ears from doing their job.