Instead of Alloy’s Dynamics 1 and 2 modules running in series, one right after the other, with parallel processing enabled, the incoming audio will be split into two identical audio streams, each running independently into Dynamics 1 and Dynamics 2. What this allows for is to have two different compressors acting upon the incoming audio at the same time.
To turn Parallel Dynamics processing ON, simply open the Graph and click and drag one Dynamics module up and over the other.
Because of this, Dynamics 1 and 2 must both operate in either single band or multiband modes. If both are in multiband mode, each module must have the same crossover frequencies. This is done to maintain phase and high audio quality when working with this internal routing.
The benefits of parallel processing are such that, one Dynamics module can have very severe pumping settings, in order to create the effect of heavy compression and expansion, while the other module only has very light settings. This will therefore give your audio the sound of heavy dynamics processing without sacrificing your dynamic range entirely.