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-12-
Solution
This is the equation of the sound power level expressed in decibels. The basic formular is
Sound (in decibels) (or sound power level, PWL) = 10 log ( E/Er)
Where E = actual accoustic energy level and Er is the reference energy
Here the Er or reference energy = 10-12 and x is the E (actual accoustic energy)

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-12- SolutionThis is the equation of the sound power level .pdf

  • 1. -12- Solution This is the equation of the sound power level expressed in decibels. The basic formular is Sound (in decibels) (or sound power level, PWL) = 10 log ( E/Er) Where E = actual accoustic energy level and Er is the reference energy Here the Er or reference energy = 10-12 and x is the E (actual accoustic energy)