Anechoic chambers are typically used for acoustic testing and research, such as measuring the sound levels of equipment, testing microphones and loudspeakers, or conducting psychoacoustic experiments. By eliminating external noise and reflections, they provide highly accurate and consistent testing conditions.
In these chambers, the only sounds you'll hear are those directly generated by the source, making it an invaluable tool for precise audio measurements and studies.
For this project we manage to get 20dBA with air conditioning. Below are the results for reference
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