Active noise control refers to the use of technology to reduce unwanted noise by generating anti-noise waves. Other synonyms for active noise control include active noise reduction, active sound control, and active noise cancellation. All these terms are used to describe the same process of using sound wave technology to reduce unwanted noise in a specific area. These techniques are commonly used in headphones, electronic devices, and even in some buildings to reduce unwanted background noise. With the development of new technologies, active noise control and its synonyms are becoming increasingly popular in various industries and are vital in creating better and more peaceful environments.