In music production, automation refers to the process of recording and controlling changes to various parameters and settings over time. This can include changes to volume, panning, EQ, effects settings, and other parameters that affect the sound and behavior of a track or mix.

Automation is typically used to add dynamic changes and variations to a track or mix, creating a more interesting and engaging listening experience. For example, automation can be used to gradually increase the volume of a track during a chorus to create a sense of building energy and excitement. It can also be used to create more subtle changes, such as adjusting the panning or EQ of individual instruments to highlight certain parts of the arrangement.

Automation can be applied in a variety of ways, depending on the specific software and hardware being used. Some software allows users to draw automation curves directly on the waveform display, while others allow for real-time recording of automation movements using a MIDI controller or other input device.

Overall, automation is a powerful tool in music production, allowing producers and engineers to create more dynamic and interesting mixes that keep listeners engaged and interested in the music.