Article | REF: R6030 V1

Measurements in industrial accoustics. Part 1

Authors: Michael BOCKHOFF, Jean JACQUES, Thierry LOYAU, Léon THIERY

Publication date: December 10, 2008

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1. Noise characteristics

1.1 Physical characteristics

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1.1.1 Characteristics of a noise source

A source can be characterized by the sound pressure level it produces at a given distance. This level depends on the nature of the source, as well as propagation conditions (boundary conditions imposed by the walls of a room, for example).

It seems more convenient to characterize this source by an energy quantity: the acoustic power supplied by the source.

In the general case of a complex sound source,...

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Noise characteristics