Author(s): M. Arana, M. L. San Martin, A. Vela & R. San Martin
Acoustic signals used in industrial areas alerting danger have to fulfil a fundamental
They have to be both audible and recognisable by any worker
potentially affected by the consequences that acoustic signal dorms.
requirement implies the adequate design of acoustic emission dependmg on the
background noise, distance to receivers, hearing loss of them, etc.
The norm EN-
457: 1992 explains the criteria applicable to the identification of the acoustic signals
at the reception areas, even more in the areas where the background noise is high.
The results obtained in 50 measurements carried out in industrial areas will be
Four different industrial activities were selected: car, chemical, paper and
All of the acoustic signals fulfilled ...
Size: 410 kb
Paper DOI: 10.2495/AC030011
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