Resource Documents by Manwell, James
Rogers, Anthony; Manwell, James; and Wright, Sally
Wind Turbine Acoustic Noise
The human response to sounds measured in decibels has the following characteristics: Except under laboratory conditions, a change in sound level of 1 dB cannot be perceived. Doubling the energy of a sound source corresponds to a 3 dB increase. Outside of the laboratory, a 3 dB change in sound level is considered a barely discernible difference. A change in sound level of 5 dB will typically result in a noticeable community response. A 6 dB increase is equivalent to . . . Complete article »
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