What can be an Office Sound Masking System? Office Sound Masking Systems has been in wide use for more than 50 years These were developed in the 1960s for the department of defense and have been used to provide improved acoustic personal privacy in office areas ever since. The basic idea behind sound masking is that if I fill in the sound spectrum, it creates it very difficult to comprehend the conversations going on around me.

And if I can’t understand them, they’re much less likely to distract me. Thus, office sound masking systems both improve office privacy and increase office productivity. The human ear works just like a radar dish – constantly searching for a sound that indicates some type of structure. Your ears are bombarded by sounds all day long – and your brain must filter out the useful sounds from the irrelevant ones. So it looks for the structure.

Language and music have structure, for example. The audio of a twig snapping or a door creaking communicates information that’s beneficial to your ‘fight or trip’ instincts. On the other hand, your brain will tune out the consistent din of the food court at the mall relatively, or other continuous appears like that of the chilling fan in your computer. The audio doesn’t vary, it doesn’t have structure, which means that your brain determines that it’s not interacting with anything and so it ignores the audio and goes on looking for structured sounds. How does Office Sound Masking Systems Work? An effective office sound masking system must be uniform in conditions of both sound spectrum and volume.

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All modern office audio masking systems use a fairly specific sound range, targeted to mask human speech. Think about your office area as an inflated balloon at a birthday party. At every point inside that balloon, the pressure-per-square inch (PSI) is the same. The best sound masking solution for you’ll be the one that supplies the most uniform audio masking to every point in the office. Which Office Sound Masking Systems will be the Best? You can find two main types of audio masking systems: plenum systems and direct-field systems, and the last mentioned are considered to become more effective typically. Originally, all sound-masking systems were placed in a grid pattern above the suspended ceiling.

Large loudspeakers were bolted to the concrete deck above and hung on a chain. The loudspeaker would then blast the sound upwards at the concrete deck and bounce it around inside the region between the deck and the roof tiles, which are known as the plenum. Thus, these older-style systems were called ‘plenum systems.’ The idea was that the sound would bounce around and fill the plenum, and then filtering through the roof tiles in to the work place below down.

These settings were necessary 50 years ago, given the speaker technology available and the presence of relatively uniform ceiling structures and empty plenum spaces. This is practical: speakers at that time were loud, and had a pretty narrow dispersion angle, but when you can bounce the sound around a bit, it overcomes this limitation.