Article | REF: R3114 V1

In situ acoustic measurements - Building and environment

Author: Gilles REIGNER

Publication date: December 10, 2003

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1. Building measures

Whereas laboratory measurements are essentially concerned with products or systems, "in situ" tests qualify a structure in its entirety. To understand the results of a measurement, it is therefore first necessary to understand the different transmission paths that exist.

1.1 Different types of transmission

The study of lateral transmissions alone requires several theses, and we won't go into too much detail on this vast subject.

In reality, there are two types of acoustic transmission (figure 1 ):

  • direct transmission: this is the separative type, which we studied...

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