- Sound Pressure Level ("SPL")
Sound Pressure Level is for the purposes of this Standard, sound pressure is expressed as the ratio to the reference pressure of 20 μPa at 1 kHz., in A-weighted decibels dB(A).
Sound Pressure Level is for the purposes of this Standard, sound pressure is expressed as the ratio to the reference pressure of 20 μPa at 1 kHz., in A-weighted decibels dB(A).
In preparing this definition, we have drawn from various sources including Legislation, Codes, Standards and industry information, research and knowledge. Like the english language, these definitions may subtly change from time to time. As such these definitions are provided solely on the basis that users will be responsible for making their own assessment of the definition and and are advised to verify all relevant representations, statements and information.