A unit for expressing the magnitude of a complex electric wave such as that corresponding to speech or music. The volume in volume units is equal to the number of decibels by which the wave differs from a reference volume.
"CVC, Thanks for the great quality job. For the longest time, I never thought about the fact that there still exists some music in the world that I like that is just not available on CD. But, then after seeing an 80s movie with great music, only to find out the soundtrack was available only on LP, I was upset..................until I found the ..."