Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Sign in with Amazon

Science

How does noise cancelation work?

Active noise control is a method for reducing unwanted sound by the addition of a second sound with the same amplitude, but inverted phase to cancel the first.

{{ relativeTimeResolver(1581019006213) }}

LIVE

Points

45

Rating

Similar Questions

Sign in to view all similar questions

How does thunder make noise?

Science • 1 Answer

How fast does noise travel?

Science • 2 Answers

How does a grasshopper make noise?

Science • 1 Answer

How does simplisafe work?

Science • 2 Answers

How does spf work?

Science • 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world