Platinum Notes is a software application designed to enhance and optimize audio files, particularly for DJs and music enthusiasts, by improving overall sound quality and consistency. Developed by Mixed In Key, it focuses on features like volume consistency across a music library, correction of clipped peaks, enhancement of dynamics, and sometimes the addition of warmth or pitch correction. The software supports various audio formats and offers batch processing for efficiency, often including presets for different environments. While some users find it incredibly useful for achieving a uniform and improved sound, especially in DJ settings, others argue that modern music is already heavily mastered and caution against potential audio degradation from further processing, suggesting manual adjustments on DJ equipment as alternatives.