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How does a noise canceling microphone work?

April 26, 2017canceling microphone noise

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How does a noise canceling microphone work?

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A. A noise-canceling microphone filters out unwanted background noise by differentiating between sounds from nearby sources, such as from the mouth, and those from far away, which are then eliminated. Because of this, it is important that a noise-canceling microphone is positioned close to the mouth (approximately 2 cm/less than 1 inch when using the Ultra Noise-Canceling microphone to prevent Voice-canceling).