V2EX vsync

Vsync

释义 Definition

Vsyncvertical synchronization(垂直同步) 的缩写,指让显卡的帧输出与显示器的刷新节奏同步,以减少画面撕裂(tearing)。开启后通常更稳定但可能增加输入延迟,且在性能不足时会导致掉帧或卡顿。

发音 Pronunciation (IPA)

/vi.sk/

例句 Examples

I turned on Vsync to stop the screen tearing.
我打开了垂直同步来防止画面撕裂。

When Vsync is enabled, the game may feel less responsive if the frame rate can’t match the monitor’s refresh rate.
当开启垂直同步时,如果帧率跟不上显示器刷新率,游戏可能会感觉不够跟手。

词源 Etymology

Vsync 来自 vertical sync 的口语化/技术写法缩略:V(vertical,垂直)+ sync(synchronization,同步)。最初与显示信号的“垂直同步脉冲/间隔”相关,后来在 PC 图形与游戏设置中常用来指“让帧率对齐显示器刷新”。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • Real-Time Rendering(Akenine-Mller 等):在图形渲染与显示输出讨论中涉及垂直同步/帧显示时序概念。
  • GPU Gems(NVIDIA):在图形管线与显示相关章节/案例中常提到与同步、撕裂相关的话题。
  • Microsoft DirectX 相关官方文档与开发者指南(如呈现/交换链说明):常出现关于垂直同步、呈现间隔等设置(语境上对应 Vsync)。
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