According to Norwegian entrepreneurs Dag Loe and Sigmund Birkeland, the wind noise that's generated when motorcycling at highway speeds exceeds 110 decibels – that's equivalent to being one meter (3.3 ft) away from a running chainsaw. With that in mind, they've developed the DAAL wind noise cancellation system for helmets.
.. Continue Reading DAAL may bring wind noise cancellation to third-party motorcycle helmetsCategory: Motorcycles
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from New Atlas (Gizmag) https://ift.tt/2B4GIDe
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