Directivity factor: Difference between revisions
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Directivity factor (of a sound source) | Directivity factor (of a sound source) | ||
Latest revision as of 08:39, 17 September 2026
Directivity factor (of a sound source)
The ratio of the square of the radiated free field sound pressure at a fixed point on the principal axis to the mean square pressure averaged over the surface of a sphere passing through the fixed point and concentric with the source.
Reference: I.E.C. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
