Sound Files :
Over-processed Compression
(The sound you hear is over processed to show limitations of the effect.)
Limiter
Link: Realistic Compression.
Link : Compressor / Limiter Comparison
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Figure 12 : The compressor effect is applied to the highlighted section of the wave file.
The main purpose of the compressor, is to reduce the dynamic range of the sound file, by making the loudest sounds quieter, and the quietest sounds louder. This brings clarity to vocals and instruments making quieter sounds audible.
Figure 13 : The compressed section (highlighted) of the audio
file is normalized (turned up the volume to maximum).
Figure 14 : Cool Edit 2000 control settings for the compressor effect.