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Acoustics
Add sound levels
Combine levels from independent, uncorrelated sources measured at the same observation point.
Inputs
Example valuesResults
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The calculation
Ltotal = 10 log₁₀[Σ 10^(Li/10)]
Assumptions & limits
All levels must use the same reference, weighting, bandwidth and averaging interval. This energy sum is not valid for coherent speakers reproducing the same signal with a fixed phase relationship.
Background: Sound · OpenStax University Physics
