EQing, or equalization, is a process used in audio production to adjust the balance of different frequency components in a sound. By boosting or cutting specific frequencies, sound engineers can enhance clarity, remove unwanted noise, or create a desired tonal quality in recordings. This technique is commonly applied to instruments, vocals, and mixes to achieve a polished sound. There are various types of EQs, including parametric EQ, graphic EQ, and shelving EQ. Each type offers different controls and flexibility for shaping sound. Understanding how to use EQ effectively is essential for achieving professional-quality audio in music production and broadcasting.