AI Mastering tools use machine learning algorithms to automatically analyze and process audio tracks, preparing them for distribution. By comparing a track to a vast database of commercially successful songs, the AI makes intelligent adjustments to parameters like equalization, compression, stereo width, and loudness. This ensures the final master is polished, balanced, and optimized for various playback systems. It provides musicians and producers with instant, affordable access to professional-quality mastering, democratizing a crucial step in the music production process.