Audio engineers work in many industries, including movie, music, theatre, and videogame industries. They use machinery and equiptment to record, synchronize, mix and reproduce music & sound for many uses. To become an audio engineer, you need professional training, and an associate degree. The demand for this career is predicted to increase 3-6% in the next 5 years. The median annual salary is $46,310 and the median hourly wage is $22.27. A related occupation would be a broadcast technician.