horizontal blanking

简明释义

水平消隐

英英释义

例句

1.When troubleshooting display issues, checking the horizontal blanking settings is a good first step.

在排查显示问题时，检查水平消隐设置是一个良好的第一步。

2.Adjusting the horizontal blanking time can help reduce flickering in older CRT monitors.

调整水平消隐时间可以帮助减少旧款CRT显示器中的闪烁现象。

3.The horizontal blanking interval allows the display to reset before drawing the next line of pixels.

水平消隐 间隔允许显示器在绘制下一行像素之前进行重置。

4.In video signal processing, horizontal blanking is essential for separating the visible part of the image from the non-visible part.

在视频信号处理中，水平消隐 对于将图像的可见部分与不可见部分分开至关重要。

5.The horizontal blanking period is crucial for maintaining synchronization in analog video signals.

水平消隐周期对于维持模拟视频信号的同步至关重要。

作文

In the realm of video technology and display systems, the term horizontal blanking is crucial for understanding how images are rendered on screens. To grasp its importance, we must first explore the basics of how displays work. When a monitor or television receives a video signal, it does not simply project the information continuously. Instead, it processes the signal in a series of horizontal lines, scanning from the top of the screen to the bottom. This scanning process involves both the active display time and the periods where no image data is sent — which leads us to the concept of horizontal blanking.

During the horizontal scanning of a display, each line of pixels is illuminated in sequence. However, there are brief intervals between these lines where the electron beam (in CRTs) or the pixel refresh process (in modern LCDs and LEDs) must reset to begin drawing the next line. This resetting period is known as horizontal blanking, which allows the display to prepare for the next line of pixels. Without this interval, the display would not be able to transition smoothly between lines, resulting in visual artifacts such as flickering or tearing.

The duration of horizontal blanking is essential for maintaining a stable image. It is typically measured in microseconds and varies depending on the display technology and resolution. For example, in standard definition televisions, the horizontal blanking period might be longer compared to high-definition displays, which require quicker refresh rates to accommodate the increased pixel density. This difference is crucial for engineers and designers who work on display technologies, as they must carefully calculate the timing of horizontal blanking to ensure optimal performance.

Moreover, horizontal blanking is not only relevant for traditional displays but also plays a significant role in digital video processing. In modern video formats, such as HDMI and DisplayPort, the concept of horizontal blanking is embedded within the digital signal transmission protocols. These protocols define how data is transmitted, including the timing of horizontal blanking intervals to ensure that the receiving device can accurately reconstruct the intended image.

In conclusion, the term horizontal blanking refers to the necessary pauses between the drawing of individual horizontal lines on a display. This interval is vital for maintaining a clear and stable image, preventing issues like flickering and tearing. Understanding horizontal blanking is essential not only for those involved in the design and engineering of display systems but also for anyone interested in the technology behind video displays. As we continue to advance in display technologies, the significance of horizontal blanking will remain a fundamental aspect of ensuring high-quality visual experiences for users around the world.

在视频技术和显示系统的领域中，术语水平消隐对于理解图像如何在屏幕上呈现至关重要。要掌握其重要性，我们必须首先探讨显示器的基本工作原理。当显示器或电视接收到视频信号时，它并不是简单地连续投影信息。相反，它以一系列水平线的方式处理信号，从屏幕的顶部扫描到底部。这个扫描过程涉及到主动显示时间和未发送图像数据的时间段——这就引出了水平消隐的概念。

在显示器的水平扫描过程中，每一行像素都是按顺序点亮的。然而，在这些行之间有短暂的间隔，此时电子束（在CRT中）或像素刷新过程（在现代LCD和LED中）必须重置，以开始绘制下一行。这一重置时期被称为水平消隐，它允许显示器为下一行像素做好准备。如果没有这个间隔，显示器将无法在行与行之间平滑过渡，从而导致闪烁或撕裂等视觉伪影。

水平消隐的持续时间对于保持稳定的图像至关重要。它通常以微秒为单位进行测量，并根据显示技术和分辨率的不同而有所变化。例如，在标准清晰度电视中，水平消隐周期可能比高清显示器长，因为后者需要更快的刷新率以适应增加的像素密度。这个差异对于从事显示技术的工程师和设计师而言至关重要，因为他们必须仔细计算水平消隐的时机，以确保最佳性能。

此外，水平消隐不仅与传统显示器相关，而且在数字视频处理过程中也发挥着重要作用。在现代视频格式中，例如HDMI和DisplayPort，水平消隐的概念嵌入了数字信号传输协议中。这些协议定义了数据的传输方式，包括水平消隐间隔的时机，以确保接收设备能够准确重建所需的图像。

总之，术语水平消隐指的是在显示器上绘制单个水平线之间所需的暂停。这一间隔对于保持清晰稳定的图像至关重要，可以防止闪烁和撕裂等问题。理解水平消隐不仅对那些参与显示系统设计和工程的人至关重要，也对任何对视频显示背后的技术感兴趣的人来说是必不可少的。随着我们在显示技术上的不断进步，水平消隐的重要性将始终是确保全球用户高质量视觉体验的基本方面。