Pink noise’ is another term often inaccurately

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Most people describe white noise as ‘static’ with an uncomfortable, hissing quality. Those old enough to remember analog televisions compare it to the ‘snow’ broadcast when the antenna lost the transmission signal and instead picked up electromagnetic noise. Unsurprisingly, these early masking systems were typically turned down or shut off soon after they were installed.

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A sound masking system consists of a series of loudspeakers installed in the ceiling, which distributes an engineered background sound throughout a facility. A well-tuned system is akin to softly blowing air. Image courtesy Screen Solutions

‘ substituted for ‘sound masking.’ This is also a random broadband sound, but whatsapp number database instead of being equal in volume at each frequency, volume decreases at a rate of three dB per octave as frequency increases. However, because these decreases are offset by the increases created by the doubling of frequencies in each octave, pink noise is constant in volume per octave. Subjectively speaking, this sound is less hissy than white noise. On the other hand, the relatively louder low frequencies give it a rumbling quality, prompting comparison to the sound of a waterfall.

Given these descriptions, it is understandable why modern masking systems do not emit white or pink noise, or in fact any of the other colors (e.g. brown, blue, or violet).