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258 AUDIO EDITOR
Applying special effects
Audio Editor comes with a number of special affects that you can use to add
impact to your audio files and provide enhancements which are difficult to replicate
when recording from the original source. These can be anything from performing
fades to the beginning and ending of a waveform to adding a variety of echo
effects, such as stadium and resonance.
Performing a fade
Performing fades is a frequent task in audio editing as you often need to control
how sound enters and leaves a certain scene or moment. This is particularly useful
if you want to give your audio a smooth or "rolling" start and finish. To perform a
fade, click Effect: Fade to open the Fade dialog box. A Fade graph allows you to
control how the fade is performed, offering a set of predefined fades or
customizable settings.
Fade dialog box
The first control point in the graph defines the start-fade amplitude, the second
and third points for the middle of the fade and the fourth point for the end-fade
amplitude (where 100% is normal amplitude). To help smooth out the fade, select
a Transformation curve option. A Linear fade produces a constant fade, while
an Exponential fade begins slowly and ends quickly. The Logarithmic fade starts
quickly and fades more slowly. For best results, it is a good idea to first experiment
with a variety of different settings.
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