What is vertical synchronization?

Some articles on vertical synchronization, vertical:

Analogue Television Synchronization - Synchronization - Vertical Synchronization
... Vertical synchronization (Also vertical sync or VSYNC) separates the video fields ... In PAL and NTSC, the vertical sync pulse occurs within the vertical blanking interval ... The vertical sync pulses are made by prolonging the length of HSYNC pulses through almost the entire length of the scan line ...
Screen Tearing - Prevention - V-sync - Complications
... When vertical synchronization is used, the frame rate of the rendering engine exactly equals the monitor's refresh rate, if it is higher ... Judder Vertical synchronization can also cause artifacts in video and movie presentations, as they are generally recorded at frame rates significantly lower than the typical monitor frame ... games, which use a wide variety of rendering engines, tend to benefit visually from vertical synchronization, as a rendering engine is normally expected to build each frame ...

Famous quotes containing the word vertical:

    In bourgeois society, the French and the industrial revolution transformed the authorization of political space. The political revolution put an end to the formalized hierarchy of the ancien regimé.... Concurrently, the industrial revolution subverted the social hierarchy upon which the old political space was based. It transformed the experience of society from one of vertical hierarchy to one of horizontal class stratification.
    Donald M. Lowe, U.S. historian, educator. History of Bourgeois Perception, ch. 4, University of Chicago Press (1982)