Description: determined through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound pow
Description: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power
Description: Determined ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: Sound energy level