What is noise perception, and why is it important? At DeNoize, we like to refer to this phenomenon as noise perception. Instead, psychological factors come into play. Have you ever had a door that would squeak every time you open it? Well, this sound is not necessarily loud, but nevertheless still extremely annoying! This is because the physical properties of noise do not fully determine the way people are affected by it. Noise can be unpleasant because of how you perceive the sound.As a rule of thumb, an increase in 10dB is perceived as doubling the loudness. If you’re wondering why danger rises more quickly than the number of decibels, it’s because decibels is not a linearly increasing scale. At around 110dB, it becomes extremely loud, and around 140dB, it reaches the threshold of pain. In general, below 85dB, the sound is considered to be safe. The loudness of sound is measured in decibels (dB).
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