Ambient Sound

Audio that is natural to the scene, such as birds chirping or the sound of children playing in the background.

Audio levels

Audio levels refer to the volume of the audio. The levels can change depending on the video. These will duck to make room for dialogue.

Audio mix

Ensuring all the levels are balanced so the music does not compete with voices or sound effects. Done at the end of the project.

Audio Recordist / Sound Recordist / Sound Mixer

This person is in charge of recording sound for the project in the field or studio. They are responsible for the Slate and how it is set up with the camera department for the 2nd Assistant Camera to operate. They are also responsible for placing microphones. They will usually have a small team of people in their department. See Slate and 2nd Assistant Camera (2nd AC).