engleski

INFLUENCE OF NOISE ON THE INTELLIGIBILITY MESSAGES FROM THE LOUDSPEAKER IN THE ELECTRIC MULTIPLE UNITS OF HŽ 6-111

As part of environmental protections, harmful influence of noise on the respondent – passenger can be able investigate separated, during stay in the transport vehicle. In this work we analyze the noise in the driver's cab and the travel space of the Electric Multiple Units series 6-111 which operate on railway lines of Croatian Railways (the HŽ), by different conditions of drive. Within the Electric Multiple Unit noise level is enough high and catches spreads the frequency range. Goal of investigation was the analysis of poll results and through the use of the calculation of Speech of Interference Level-SIL quantifies the influence of noise on the voice communication and whole acoustic comforts. These tests are carried out using the reproduction previously shot signals – logatomes during train ride, and the intelligibility were obtained by poll of respondent in the train.

railway; noise; logatomes

nije evidentirano