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Table 1: Conventional calculation of single figure of attenuation performance, the assumed octave band protection attenuations, A′M, are substituted into the appropriate formula to calculate NRR, SNR, SLC80, etc

Table 1: Conventional calculation of single figure of attenuation performance, the assumed octave band protection attenuations, A′<sub>M</sub>, are substituted into the appropriate formula to calculate NRR, SNR, SLC<sub>80</sub>, etc