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A special device can transmit out-of-phase sound from a
Chapter 12, Problem 40E(choose chapter or problem)
QUESTION:
A special device can transmit out-of-phase sound from a noisy jackhammer to its operator using earphones. Over the noise of the jackhammer, the operator can easily hear your voice while you are unable to hear his. Explain.
Questions & Answers
QUESTION:
A special device can transmit out-of-phase sound from a noisy jackhammer to its operator using earphones. Over the noise of the jackhammer, the operator can easily hear your voice while you are unable to hear his. Explain.
ANSWER:Step 1 of 2
These noise-canceling devices use interference to cancel the sound of the jackhammer in the ears of its operator.