Scientific paper ID 957 : 2014/4

To improve the quality of life, it is essential to reduce noise emissions. Surrounding noise is caused by a number of factors and conditions, some of which can be controlled or eliminated. Therefore, the exact and correct measurements are of utmost importance. For this purpose it is necessary to use tools with a wide range of functions and parameters and to establish rules for their use to obtain the most accurate and reliable results. The data obtained in turn must meet the admissions regulations and standards.