Definition

vertical interval time code (VITC)

Part of the Hardware glossary:

Vertical interval time code (abbreviated VITC and sometimes pronounced VIHT-see) is a timing signal that is part of a video recording. It is recorded in the vertical blanking interval s between successive picture frames, hence the "vertical interval."

VITC is one of two timing schemes adopted by the Society of Motion Picture and Television Engineers ( SMPTE ) in the 1960s. The other, known as longitudinal time code ( LTC ), is used with audio recordings.

VITC assigns a specific time in hours, minutes, and seconds to each vertical blanking interval in a video recording, along with a frame number. The time code can be used to start a recording at a certain chronological time (such as 5:00:00 p.m.), or it can be used to keep a playback machine synchronized with a master time source. The former application might be used by a home television viewer, while the latter application would more likely be used by a broadcaster.

This was last updated in March 2011
Contributor(s): Darren Frith
Posted by: Margaret Rouse

Related Terms

Definitions

Glossaries

  • Hardware

    - Terms related to computer hardware, including definitions about cables, connectors and power supply units and words and phrases about computing peripheral devices including the keyboard, mouse, au...

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question About vertical interval time code (VITC)Powered by ITKnowledgeExchange.com

Get answers from your peers on your most technical challenges

Tech TalkComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.