You’ve most likely heard it in some form or another: the tiny little beep before the start of a video production. The 2-pop is one of those post-production standard practices that is so simple, so old, and so deeply embedded in our workflows that it can be easy to forget just how important it is. It has survived the transition from film to tape to digital nonlinear editing and is still routinely exchanged between many of the post-production departments on any given project. But where did it come from, and why do we still use it?
