What Is Noise? A Simple Guide to Sound Levels, dB(A), and Noise Measurement
What Is Noise? Noise is commonly defined as undesirable sound—sound that ideally should not be heard. Whether a sound is considered noise depends on human perception, making it subjective in nature. In engineering, however, noise is evaluated objectively by measuring sound intensity and sound pressure, expressed using the logarithmic decibel (dB) scale. Why Is Noise […]