Automatically adjusts the amplitude to compensate for variations at the input, in order maintain an suitable amplitude at the output. Changes the level of the file up and down over periods of time (time frame: 5 seconds)
De-esser is applied to avoid the AGC increasing "S" sounds and making them too loud (default for voice: 2200Hz).
High-Pass filter is applied to avoid low frequency bass making the AGC reduce volume (default for voice 450Hz).
AGC is most valuable in the Batch Converter where you want many recordings all volume regulated. Normalization can also be used for this.
Other features which can be used with AGC: