[Specific effects upon hearing due to occupational noise].

Every day, millions of employees are exposed to noise at work and at the risks this can entail. While the noise is most obviously in industries such as manufacturing and construction, it can also be an issue in a wide range of other working environments. One in five workers have to raise their voice to be heard for at least half of the time when they are at work. This paper shortly presents the physical aspects of the noise and its dangerous local level effects on the human body.