Event Operations For more information, see the following topics: Event Operations Window Quantize Command Grid Quantize Grid Quantize Examples Groove Quantize Quantizing Elastic Audio Quantizing Audio Clips Quantizing Mixed Selections Restore Performance Command Flatten Performance Change Velocity Change Duration Transpose Select/Split Notes Command Input Quantize Command Step Input Command Various events in Pro Tools (such as groups of MIDI Notes, audio clip start times or sync points, and whole clips) can be transformed with Event Operations.