A transportable anechoic room is a mean for acoustic testing used for Research and Development (R & D), marketed by ITS, the construction or the modification of which are always an opportunity to meet challenges in terms of industrial soundproofing.
Whether it is to quantify the sound emissions of a machine or of an equipment, or to develop and qualify the acoustic performance of electroacoustic or telecommunication equipment, an anechoic room allows the conduct of measurements in conditions close to the free field i.e. by avoiding unwanted sound reflections on the partitions and with a low background noise level of i.e. by isolating from the surrounding noise, even if the anechoic room is installed in a workshop with significant noise levels related to industrial productions.
Thus, the walls, the roof (and, when it is not a semi-anechoic room: the floor), must be built in such a way as to allow obtaining these two essential functionalities, which require the implementation of specific construction systems, both of great thickness (with regard to the technical requirement related to the obtaining of a strong acoustic absorption) and massive (with regard to the objective of limiting the sound transmission between inside and outside).
Very often, an anechoic room must be transportable, when it comes to coping with the mobility challenges of modern industrial organizations that are characterized by changes in the allocation of premises in relation to relocations of units or of complete facilities, as the strategy changes.
ITS took part in dismantling, transporting and reassembling a transportable anechoic room in Paris area (Ile de France region - France).
This anechoic room had been marketed by ITS just over a year ago, but organizational changes at this client, an industrialist specializing in high-end electroacoustic equipment, have led to his move already being considered.
Fortunately, this anechoic room had been designed in such a way as to make possible such works, considered since a long time to have a fairly high probability of occurrence, things being what they are in our modern world.
This is why the relocation of this transportable anechoic room was carried out without any particular difficulty and without modifying its exceptional acoustic characteristics, since it is based on the use of compact broadband absorbers, the compactness of which has precisely facilitated the process which consisted in finding a new location to accommodate this testing mean (because its footprint was less than that which would have been made necessary by the use of conventional absorbent wedges, all things being equal with respect to the lower cutoff frequency of the anechoic room).