Abstract: This metric is the ratio of the maintenance personnel who are actively doing the maintenance work (direct) to the maintenance personnel supporting the maintenance work (indirect). Direct personnel include those workers in the maintenance department that repair, maintain, modify or calibrate equipment.
MIDI (Musical Instrument Digital Interface) is a protocol designed for recording and playing back music on digital synthesizers that is supported by many makes of personal computer sound cards. Originally intended to control one keyboard from another, it was quickly adopted for the personal computer.
Pitch: The sound of a particular note. When pitch is referred to, itâs usually in reference to being âonâ or âoffâ pitch. âOn pitchâ means the singer is singing in tune. âOff pitchâ means the singer is either flat or sharp.