engleski

Psycho-acoustical Ergonomics in a light Aircraft Interior

Noise levels in light aircraft interiors, particularly during take-off and climb phases of flight, often exceed acceptable values. Communication between a pilot, copilot and an Air Traffic Control (ATC) staff, as well as among passengers, is severe disrupted in such noisy environments. Based on noise measurements in a typical representative of a light aircraft, its spectral content and corresponding noise levels, parameters relevant to speech intelligibility are calculated. Speech Interference Level (SIL), Articulation Index (AI) and maximum communication distances are determined for various flight phases and vocal efforts.

psycho-acoustical ergonomics; light aircraft interior; speech intelligibility; SIL; AI

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