TechQuickie

Noise Cancellation As Fast As Possible (2015x91)

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Noise-cancelling headphones go beyond just blocking sound with physical barriers. What makes them special, and how should you go about choosing a pair? lynda.com message: Sign up for your 10-day FREE trial at http://lynda.com/techquickie Follow: http://twitter.com/linustech Join the community: http://linustechtips.com