User Manual

Table Of Contents
WAVELAB
Editing in the Wave window 6 – 129
About the Loudness envelope display mode
As described earlier in this chapter, there are three display modes for
Wave windows (see “About the Display modes” on page 77).
The Loudness envelope wave display is selected from the pop-up menu
at the bottom right of the wave window, to the left of the horizontal zoom
control (the overview also has a separate Display mode pop-up).
The curves represent the loudness over time in an audio file (see “About
the curves” on page 130). The loudness is an average level of the individ-
ual levels of the samples (RMS). As isolated peaks do not alter the per-
ceived loudness of audio material very much, this display will represent
the loudness of an audio file more accurately than the standard waveform
display.
Apart from a more accurate visualization of the loudness, this display
mode will also give you an overview of a song’s compression (or dynamic
range). For instance, the more dips in the curve, the more dynamics in the
audio material. An even curve with few dips indicates that the material is
compressed with a limited dynamic range (which is common for modern
pop/dance music).