Audio Compression is as the name suggests a sound/audio compressor. Compression allows you to set the maximum level that you wish your audio to stay below. It will then reduce any sounds that go above the threshold you have set, by the ratio you have set. It has six function controls which are ...

1. Threshold: 0.db to -36.db
2. Ratio: 1/1 to 48/1
3. Attack: 0ms to 150ms
4. Release: 0ms to 150ms
5. Gain
6. Bypass

Use Virtual Audio Compression to smooth out those way ward velocities to get more volume from your mix.