Tri-level_sync
Tri-level sync
Analogue video synchronization
Tri-level sync is an analogue video synchronization pulse primarily used for the locking of high-definition video signals (genlock).
This article relies largely or entirely on a single source. (January 2015) |
It is preferred in HD environments over black and burst, as timing jitter is reduced due to the nature of its higher frequency. It also benefits from having no DC content, as the pulses are in both polarities.[1]