composite video signal

简明释义

复合视频信号;

英英释义

例句

1.You may notice a decrease in image quality when using a composite video signal (复合视频信号) compared to HDMI.

与HDMI相比，使用composite video signal (复合视频信号) 时，你可能会注意到图像质量下降。

2.The old television set can only accept a composite video signal (复合视频信号) from the DVD player.

这台旧电视只能接收来自DVD播放器的composite video signal (复合视频信号)。

3.The composite video signal (复合视频信号) combines all video information into a single channel.

composite video signal (复合视频信号) 将所有视频信息组合成一个单一的通道。

4.To connect the game console, you need a cable that supports composite video signal (复合视频信号).

要连接游戏机，你需要一根支持composite video signal (复合视频信号) 的电缆。

5.Many older camcorders output a composite video signal (复合视频信号) for playback on TVs.

许多老式摄像机输出composite video signal (复合视频信号) 以便在电视上播放。

作文

In the realm of video technology, understanding various signal types is crucial for both professionals and enthusiasts alike. One such term that frequently arises is composite video signal, which plays a significant role in the transmission of video data. To comprehend this concept fully, we must first explore what a composite video signal is and how it functions in the broader context of video production and display.A composite video signal is a type of video signal that combines all the video information into a single channel. This includes brightness (luminance) and color information (chrominance) which are merged together to create a unified signal. The primary advantage of using a composite video signal is its simplicity; it allows for easier transmission over long distances without requiring multiple cables for different components of the video signal. Historically, this format was widely used in analog television systems and is still prevalent in many consumer electronics today.The technical implementation of a composite video signal can be traced back to the early days of television broadcasting. It was developed as a solution to the challenges posed by earlier methods of transmitting video, which often required separate channels for luminance and chrominance. By integrating these components into one signal, engineers were able to simplify the design of televisions and reduce the amount of wiring needed for video connections.However, while the composite video signal offers convenience, it does come with some drawbacks. The merging of video data can lead to a reduction in image quality, especially when compared to more advanced formats such as S-Video or component video. These formats separate the luminance and chrominance signals, allowing for a clearer and more detailed picture. As technology has evolved, many users have transitioned away from composite video signals in favor of these higher-quality alternatives.Despite its limitations, the composite video signal remains an important part of the video landscape. Many legacy devices, including older gaming consoles and VCRs, still rely on this signal type for video output. Additionally, it is often used in situations where high-definition quality is not a priority, such as in certain security camera systems or basic video conferencing setups.Understanding the composite video signal is essential for anyone interested in video technology. Whether you are a budding filmmaker looking to grasp the basics of video transmission, or a tech enthusiast curious about how older devices operate, knowledge of this signal type will enhance your comprehension of video systems. Furthermore, recognizing the differences between composite video signals and other formats can help you make informed decisions when selecting equipment or troubleshooting issues.In conclusion, the composite video signal is a foundational element in the world of video technology. Its ability to consolidate video information into a single channel made it a popular choice in the past, and it continues to serve specific purposes today. While newer technologies have emerged to provide better quality, the composite video signal remains relevant, reminding us of the evolution of video technology and the importance of understanding its roots.

在视频技术领域，理解各种信号类型对专业人士和爱好者来说都至关重要。其中一个经常出现的术语是复合视频信号，它在视频数据传输中发挥着重要作用。要完全理解这个概念，我们首先必须探讨复合视频信号是什么，以及它在视频制作和显示的更广泛背景下是如何运作的。复合视频信号是一种将所有视频信息合并到单一通道中的视频信号。这包括亮度（明亮度）和颜色信息（色度），这些信息被合并在一起以创建统一的信号。使用复合视频信号的主要优点是其简单性；它允许在长距离上传输而不需要为视频信号的不同组件使用多根电缆。历史上，这种格式曾广泛用于模拟电视系统，并且在许多消费电子产品中仍然存在。复合视频信号的技术实现可以追溯到电视广播的早期阶段。它被开发出来以解决早期视频传输方法所带来的挑战，这些方法通常需要为亮度和色度分开通道。通过将这些组件整合到一个信号中，工程师能够简化电视的设计，并减少视频连接所需的布线量。然而，尽管复合视频信号提供了便利，但它也有一些缺点。视频数据的合并可能导致图像质量下降，尤其是与S-Video或组件视频等更高级格式相比。这些格式分离了亮度和色度信号，从而提供了更清晰、更详细的图像。随着技术的发展，许多用户已经转向这些高质量替代品，而放弃了复合视频信号。尽管有其局限性，复合视频信号仍然是视频领域的重要组成部分。许多旧设备，包括较老的游戏机和录像机，仍依赖这种信号类型进行视频输出。此外，在某些安全摄像头系统或基本视频会议设置中，通常使用这种信号类型，而在这些情况下高清质量并不是首要考虑。理解复合视频信号对任何对视频技术感兴趣的人来说都是必不可少的。无论你是一个希望掌握视频传输基础知识的初学电影制作人，还是一个对旧设备如何运作感到好奇的科技爱好者，了解这种信号类型将增强你对视频系统的理解。此外，认识到复合视频信号与其他格式之间的差异，可以帮助你在选择设备或排除故障时做出明智的决定。总之，复合视频信号是视频技术世界中的基础元素。它将视频信息整合到单一通道中的能力使其在过去成为一种流行选择，今天仍然服务于特定目的。尽管新技术已经出现以提供更好的质量，但复合视频信号仍然相关，提醒我们视频技术的演变及其根源的重要性。