How to Normalize (Raise Lower Level)
Select NORMALIZE (Constant Audio Gain) from the File\Effects Menu
Figure 1:
Normalization is one of the functions commonly provided by a digital audio workstation such as WAVEditor in Button Broadcaster PRO
Normalization is the application of a constant amount of gain to an audio recording to bring the average or peak amplitude to a desired target level.
More on use of the BBPro normalization function in next section.