1. To control the dynamic range of a sound or to tame down "edgy" transients of a sound.
Recommended Settings: Attack: 1-10 ms (Fast) Release: 25-50 ms (Fast) Ratio: 4:1 to 10:1 (High) Set the Threshold low enough to attenuate the Peaks. This way, your recording will sound more consistent and will sit better in the mix. The Threshold level will depends on how much you want to attenuate those peaks.
2. To add PUNCH to your Mix. Recommended Settings: Attack: 30+ ms Release: Slower (100+ ms) or based on the tempo of the song Ratio: 2:1 (Low) to 4:1 Threshold: Set the Threshold low enough to get Gain Reduction. The amount of Gain Reduction is up to you, it depends on the on the sound and vibe you're looking for.
3. To GLUE Instruments or your Mix together. Recommended Settings: Attack: 30-60 ms Release: 100+ ms or Auto-Release can also work Ratio: Low Ratio 1.5:1 to 2:1 Threshold: Set your threshold to get around 1-2 dB of gain reduction.
