How do noise cancelling headphones work?

How do active noise cancelling headphones work?
06 June 2016

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Mark got in touch to find out how noise cancelling headphones work. Can they damage your ears by playing back loud background noise? Fanny Yuen spoke to Trevor Cox to cut the rumble...

In this episode

White headphones from the 1970's, model C525

How do noise cancelling headphones work?

Transcript to follow...

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