“Listener fatigue” prompts research and in-ear headphone redesign

A novel device with rock ‘n’ roll roots may protect listeners from potential dangers of personal listening devices and hearing aids.

Engineers investigating “listener fatigue”–the discomfort and pain some people experience while using in-ear headphones, hearing aids and other devices that seal the ear canal from external sound–have found not only what they believe is the cause, but also a potential solution.

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