Stereo processing is complex. It involves multiband compression, phase rotation, harmonic distortion, and spatial widening. A preset gives users a "safe starting point." Instead of tweaking 50 different knobs to get a "FM Radio" sound, the user loads the preset and only has to make minor adjustments.
These range from invisible leveling to "flat" commercial sounds. stereo tool preset
channel level for more depth without creating excessive anti-phase issues. Multiband Compression AGC (Auto Gain Control) to keep volume stable across different music genres. High-End Clarity Stereo processing is complex