Definicija: The process of automatically increasing or decreasing the volume during playback to make all audio content sound similar with respect to volume levels. Volume leveling may change the original dynamic range of the content.

Definicija: The process of adjusting over- or underallocation of a resource within a project.

Definicija: A value that is included with Windows Media Format (WMF) or MP3 format files that allows volume leveling to work.