German Criteria for Selection of Hearing Protectors in the Interest of Good Signal Audibility

Liedtke, Martin

doi:10.1080/10803548.2009.11076797

Cited by 7 publications

(2 citation statements)

References 2 publications

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“…In addition, there can be a masking effect if the frequency difference between the noise and the warning signal is small. The standard does not take into account the effect of hearing protectors [13,14].…”

Section: The Impact Of Noise Upon Accident Riskmentioning

confidence: 99%

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Evaluation of the Increased Accident Risk From Workplace Noise

Toppila

Pyykkö

Pääkkönen

2009

International Journal of Occupational Safety and Ergonomics

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Directive 2003/10/EC sets the requirement for evaluating the effect of noise on accident risk. Accident risk is elevated for workers with a hearing handicap because of their reduced speech intelligibility and reduced capability to perceive the direction of incoming sound. An audiogram is not a good method for the evaluation of these functions. To reduce accident risk, organisational and personal solutions are needed. For both methods, efficiency must be evaluated through proper risk assessment. Because practical guidelines are not available, this paper presents principles for accident risk evaluation techniques.

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Section: The Impact Of Noise Upon Accident Riskmentioning

confidence: 99%

“…BGI 673:2003 defines a maximum allowable change as 3.6 dB/octave [16]. This requirement is necessary but not enough [14]. Hearing must also be tested in practice.…”

Section: The Impact Of Noise Upon Accident Riskmentioning

confidence: 99%

Evaluation of the Increased Accident Risk From Workplace Noise

Toppila

Pyykkö

Pääkkönen

2009

International Journal of Occupational Safety and Ergonomics

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Hearing Protectors: Topicality and Research Needs

Canetto

2009

International Journal of Occupational Safety and Ergonomics

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Effect of wearing hearing protectors on the audibility of railway warning signals – an experimental study

Arz

Gettliffe

Delattre

2017

International Journal of Occupational Safety and Ergonomics

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The effect of wearing hearing protectors on the audibility of warning signals has been evaluated for three specific railway-related jobs: track workers, train drivers and platform agents. Masked thresholds were measured in the laboratory, on railway agents with normal hearing, using warning signals and background noises typical of each job. Out of the 36 situations tested in total, statistical analyses showed that wearing earplugs improves the perception in 11 situations, deteriorates the perception in 10 situations and has no significant effect in 15 situations (as compared to no hearing protector). The deteriorations essentially concern signals which have no (or not enough) energy in the low-frequency range (f< 1500 Hz) when they have to be heard in background noises which dominate in the low-frequency range. To prevent the deteriorations, these signals could be modified by adding some energy in the low-frequency range (f< 1500 Hz).

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German Criteria for Selection of Hearing Protectors in the Interest of Good Signal Audibility

Cited by 7 publications

References 2 publications

Evaluation of the Increased Accident Risk From Workplace Noise

Evaluation of the Increased Accident Risk From Workplace Noise

Hearing Protectors: Topicality and Research Needs

Effect of wearing hearing protectors on the audibility of railway warning signals – an experimental study

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