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// Scilab Code Ex18.2: Change in sound level for doubling intensity: Page-361 (2010)
I1 = 1; // For simplicity assume first intensity level to be unity, W per metre square
I2 = 2*I1; // Intensity level after doubling, watt per metre square
dA_I = 10*log10(I2/I1); // Difference in gain level, dB
printf("\nThe sound intensity level is increased by = %1d dB", dA_I);
// Result
// The sound intensity level is increased by = 3 dB
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