Sonometry

Sonometry is the science of studying the properties of sound, including intensity, frequency and duration. Using specialized instruments such as sound level meters, this discipline makes it possible to assess sound levels in a variety of environments. It has a wide range of applications, from the study of noise pollution in urban environments to the optimization of acoustic quality in artistic fields such as music and film.

In industry: a regulatory and health necessity

In industrial environments, sonometry plays a fundamental role in measuring and managing noise intensity. Intensity, expressed in decibels (dB), must comply with thresholds strictly defined by regulations. Prolonged exposure to high noise levels can have irreversible consequences on hearing health, including tinnitus, progressive hearing loss or occupational deafness.

The harmful effects of noise are not limited to hearing. Chronic noise can lead to impaired concentration, stress, sleep problems and even cardiovascular disease. Sonometry is therefore essential not only to ensure compliance with standards, but also to protect the well-being of workers.

Via this link, you'll find a workplace noise scale recommended by the CNESST and examples of noisy everyday activities.

A basis for prevention and technical improvements

One of the great strengths of sonometry is its ability to provide precise data on noise sources. This information is essential for implementing targeted prevention policies. For example, by identifying risk areas within a plant, it becomes possible to implement solutions such as:

• Installation of soundproofing systems for noisy machines.
• Use of acoustic barriers or noise curtains.
• Designing workstations to reduce noise exposure.

These strategies limit noise pollution at source, offering optimum protection for employees.

Regular monitoring for lasting compliance

Sonometry is an essential tool for regular monitoring of noise levels in industrial environments. Periodic measurements at different workstations enable:

• Ensure compliance with health and safety regulations.
• Quickly detect areas where thresholds are exceeded.
• Continuously optimize working conditions.

This monitoring not only prevents hearing disorders such as tinnitus or hearing loss, but also contributes to a safer, healthier working environment.

Employee awareness and training

In addition to technical measures, the data collected by sonometry can also be used to raise awareness among workers. By identifying high-risk areas, it becomes possible to train employees in the correct use of personal protective equipment (PPE). This approach complements technical initiatives by strengthening accountability and prevention.

An integrated approach for industry

Before setting up an industrial plant, or during major modifications to installations, a sonometric study is essential to anticipate the necessary mitigation measures. Regular assessments are also recommended to:

• Monitor changes in noise levels due to equipment wear and tear.
• Adapt to changes in production processes.

Sound level measurement, when integrated with proactive risk management, is an essential pillar for improving health and safety at work while boosting productivity.