Question

Calculate the sum of two sound pressure levels 30 db and 32 db

Answer 1

• Three steps are needed to calculate the decibel level of the sound given above:
• Find the ratio of the sound

• intensity to the threshold intensity.

• Take the logarithm of the ratio.
• Multiply the ratio by 10.
• Divide the decibel level by 10.
• Use that value as the exponent of the ratio

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