The BBC programme Tomorrow’s World recently featured an innovative new microphone that will help to ease communication in very noisy environments – such as between security officers at pop and rock concerts. Where the noise levels generated by screaming fans can exceed 110dB, using radio walkie-talkies to relay potentially vital messages can be a real problem. However, the new microphone, called Invisio, gets round the problem by picking up the wearer’s voice from inside the head. Sitting inside a specially-made earpiece, the miniature microphone picks up the voice of the speaker via the vibrations passing up through the jawbone.

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