Each frame of film stock is embedded during manufacturing with a unique identifying timecode position known as
keycode.
Also known as LTC or linear timecode. The generating clock of this timecode can be based on the time of day or can be set to ascend beginning from a certain starting time of day.
No timecode. Most consumer digital video recorders do not have the ability to generate timecode.
The production sound mixer uses a field recorder to record multichannel audio during a shoot, and later delivers those source files to one or more parties: