A sound mixer is a professional who manages audio elements during film, television, or live performances. They blend various sound sources, such as dialogue, music, and sound effects, to create a balanced and cohesive audio experience. This role is crucial in ensuring that all audio components are clear and enhance the overall production. Sound mixers use specialized equipment, including mixing consoles and digital audio workstations, to adjust levels, equalization, and effects. They work closely with sound designers and audio engineers to achieve the desired sound quality, making their expertise essential in the entertainment industry.