Intensity Level

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Intensity Level

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In acoustics, ten times the logarithm to the base 10 of the ratio of the intensity I of the sound measured to the reference intensity I₀. The reference intensity I₀ must be stated. </dd>
A generally used reference value, especially for air acoustics, is 10^-16 watt per square centimeter. [[/a>|/a>]] </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use