EVOLUTION OF IEC ELECTRODOMESTIC APPLIANCES NOISE STANDARDS
G. de Montille, M. V. Pugin · 2024
During last 25 years, noise standards underwent a complete change Noise pressure measurements led in 70s to sound power determination, extended to time-averaged sound pressure level (and of course sound power level) and intensimetry, Recently, IEC revised its basic noise standard 704-1, staying in line with ISO.The time-averaged.concept and possibilities of noise measurements in hard-walled test rooms were introduced.