This appendix is a tutorial on mix automation that is appropriate for any automation system, analog or digital, on a console or in a digital audio workstation.
So what's so automatic about automation? An automation system plays back an engineer's mix moves—however elaborate—automatically. That is all automation can do. It repeats the mix done by someone else. It's nothing without the engineer. In order to see what can be done with automation, it makes sense to take a look at what can be done without automation. Mixing without automation is called manual mixing. The following is pretty typical: