Analysis of Occupational Noise Exposure in Bus Drivers

Analysis of Occupational Noise Exposure in Bus Drivers

Objective and Subjective Assessments

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The noise measurements were intended to quantify the equivalent sound pressure level inside the vehicle, close to the drivers' right ear. For this purpose, the Brüel & Kjaer 2238 sound analyser was used, covering LAeq, LAmax and LAmin measurements. The subjective assessments consisted of a questionnaire containing questions regarding noise discomfort in a sample of 200 drivers. Noise exposure was assessed in 80 vehicles of four different models: conventional, light, minibus and articulated. The data collected from the objective measurements were transferred to Brüel & Kjaer's Protector 7825 ...