Sound Level

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Sound Level

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Specifically, a weighted sound pressure level, obtained by the use of metering characteristics and the weightings A, B, or C specified in American Standard Publication Z24.3-1944: Sound Level Meters for Measurement of Noise and Other Sounds. The weighting employed pressure is 0.0002 microbar. </dd>
A suitable method of stating the weighting is, for example, The A-sound level was 43 decibels. </dd>

References

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