When selected, this applies dither. Dither is a form of randomized noise used to minimize quantization artifacts in digital audio systems. Quantization artifacts are most audible when the audio signal is near the low end of its dynamic range, such as during a quiet passage or fade-out.
Applying dither helps reduce quantization noise that can occur when you are mixing from a 24‑bit source to a 16-bit destination, such as CD‑R or DAT. If you are using Maxim on a Master Fader during mixdown, Maxim’s built-in dither function saves you the trouble and DSP resources of having to use a separate Dither plug-in.