Anechoic Chambers

Some articles on anechoic chambers, anechoic chamber:

Acoustic Anechoic Chambers
... Anechoic chambers are commonly used in acoustics to conduct experiments in nominally "free field" conditions ... Common anechoic chamber experiments include measuring the transfer function of a loudspeaker or the directivity of noise radiation from industrial machinery ... In general, the interior of an anechoic chamber is very quiet, with typical noise levels in the 10–20 dBA range ...
Acoustic Anechoic Chambers - Semi-anechoic Chambers
... Full anechoic chambers aim to absorb energy in all directions ... Semi-anechoic chambers have a solid floor that acts as a work surface for supporting heavy items, such as cars, washing machines, or industrial machinery, rather than the mesh floor grille over absorbent tiles found ... A recording studio may utilize a semi-anechoic chamber to produce high-quality music free of outside noise and unwanted echoes ...

Famous quotes containing the word chambers:

    Modern man likes to pretend that his thinking is wide-awake. But this wide-awake thinking has led us into the mazes of a nightmare in which the torture chambers are endlessly repeated in the mirrors of reason.
    Octavio Paz (b. 1914)