An Audio Compressor is used to compress the dynamic range of sound. Dynamic range compression is used in recorded music to reduces the difference between the loudest an softest sound.
With a compressor you can:
With dynamic range compression you set parameters to control how the sound is effected.
The can have the following parameters:
Here is a brief explanation of each parameter:
Two more terms with compression are:
Hard knee applies compression at an even rate.
Soft knee applies compression at a varying rate.
They have three or four frequency bands that let you apply different compression to different frequencies.