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Acoustic treatments
Monitor calibration alone helps but may not be sucient to resolve room acoustic
problems.
Audio production rooms are designed for monitoring and should receive
adequate acoustic treatments to allow quality monitoring. Several room acoustic
improvements are suggested here. However, using services of a professional
consultant is highly recommended.
Wall surfaces, ceilings and oors can be reective, diusive or absorptive.
Combinations of these are often used.
Hard surfaces such as glass, concrete,
dry wall or MDF reect sound.
Soft materials such as rock/mineral wool,
sofas, heavy curtains or thick carpets
absorb sound energy. Thick layer of
porous materials are needed to absorb
lower frequencies.
Irregular surfaces scatter sound waves.
Spreading angle depends on the diusor
design. Diusion is usually not eective at
low frequencies.
A combination of diusive and absorptive
surfaces can be very eective in reducing
the audibility of reections.
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