Timecode

A time code is a sequence of numeric codes generated at regular intervals by a timing system. Time codes are used extensively for synchronization.

'SMPTE time code' family of timecodes used in film, video and audio production:

• Linear timecode
• Vertical interval timecode
• Burnt-in timecode
• MIDI timecode
• Keykode

Time codes for purposes other than video and audio production:

• IRIG time codes Used for military, government and commercial purposes.

See also

• Global Positioning System
• Network time protocol
• Time signal
• Jam sync

References

• Timecode: A user's guide, second edition by John Ratcliff, [Focal Press]
• A Technical Introduction to Digital Video by Charles Poynton