Mastering studios are specialized facilities where audio tracks are polished and prepared for distribution. The process of mastering involves adjusting the final mix's levels, equalization, and compression to ensure it sounds its best across various playback systems. This step is crucial for achieving a professional sound in music, podcasts, and other audio formats. In a mastering studio, engineers use high-quality equipment and software to enhance the audio. They focus on details like stereo imaging and dynamic range, ensuring that the final product meets industry standards. Mastering is often the last step before releasing music to platforms like Spotify or Apple Music.