What is the main function of an audio mixer?

The main function of an audio mixer is to adjust levels, effects, and balance of audio signals before output. This process involves combining multiple audio input sources, such as microphones and instruments, and modifying their characteristics to create a cohesive sound. An audio mixer allows the user to control volume levels, apply equalization, add effects, and manage panning to shape the final output sound. This is essential in both live sound and studio recording environments, where achieving the right mix is crucial for a polished, professional audio product.

While converting analog sound to digital, storing audio, or providing a visual representation of sound are related activities within audio production, they do not encompass the primary role of an audio mixer. The focus of a mixer is distinctly on manipulating and balancing audio signals in real time, making it a vital tool in the production process.