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单词 noise cancellation
释义

Definition of noise cancellation in English:

noise cancellation

(US noise cancelation)
noun

  • The reduction or elimination of noise; specifically (more fully "active noise cancellation") the cancellation of unwanted sound using generated sound waves that are exactly out of phase with the sound waves to be cancelled.

Origin

1960s; earliest use found in British Patents.

Definition of noise cancellation in US English:

noise cancellation

(US noise cancelation)
noun

  • The reduction or elimination of noise; specifically (more fully "active noise cancellation") the cancellation of unwanted sound using generated sound waves that are exactly out of phase with the sound waves to be cancelled.

Origin

1960s; earliest use found in British Patents.
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更新时间：2025/7/4 3:21:48