You can use the Dynamic Processor tool to adjust the ratio between the input and output volume. This makes it possible, for example, to emphasize quiet noises, thereby lending more dynamism to the audio file.  
The following setting options are available:   
Graph
Characteristics

Shows the ratio of input volume to output volume. In this case, the x-axis is the output and the y-axis the input.

Slider
Attack Time

Specifies the time it takes before the full effect is heard.

Slider
Release Time

Specifies the time it takes before the effect is no longer heard.

Check box
Movie

Processes all surround channels for the same parts. This can only be activated when a surround audio file is being processed.

 


Dynamic Processor