2. When an employee at a radio station is gone from his office, desk, or cubicle for an extended period of time without giving a reason in advance.
3. (Used in radio/TV industry) Doing less than a good job; phoning it in.
"Where's John? Oh, he must be voice tracking."
"Shirley looks bored" "She's voice tracking today"
"How can Ryan Seacrest be on in your city when he's live here in L.A. every morning?" "Voice tracking."