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Electroacoustic Measurements for High Noise Environment Intercom Headsets

Intercom headsets are mandatory communication apparatus in high noise environment (HNE) conditions. Although military intercom headsets are typically used under extreme environmental conditions, a standard performance evaluation method exists only for the earphone elements. A systematic methodology for the measurement and performance evaluation of HNE headsets has recently been proposed based on the use of Head and Torso Simulator (HATS), addressing both signal reproduction and noise reduction issues. In this work, an improvement of the specific method is proposed concerning the headset electroacoustic reproduction measurements. The proposed enhancement refers to the use of impulse response measurements for the extraction of the specific characteristics as a function of frequency.

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