本文件通过描述噪音控制的基本概念（噪音降低、噪音排放、噪音侵入和噪音暴露），概述了处理现有和规划工作场所噪音问题的策略。它适用于所有类型的工作场所和工作场所中遇到的所有类型的声源，包括人类活动。 它包括购买新机器或设备时要采取的重要策略。 本文件仅涉及可听声音。

This document outlines strategies to be used in dealing with noise problems in existing and planned workplaces by describing basic concepts in noise control (noise reduction, noise emission, noise immission and noise exposure). It is applicable to all types of workplaces and all types of sources of sound which are met in workplaces, including human activities. It includes those important strategies to adopt when buying a new machine or equipment. This document deals only with audible sound.