composite picture signal

简明释义

复合图像信号

英英释义

例句

1.When troubleshooting, check if the composite picture signal is properly connected.

在故障排除时，请检查复合图像信号是否正确连接。

2.To connect the old DVD player, you need a cable that supports composite picture signal.

要连接旧的DVD播放器，您需要一根支持复合图像信号的电缆。

3.The composite picture signal combines video information into a single channel for transmission.

复合图像信号将视频信息组合成一个通道进行传输。

4.The television uses a composite picture signal to display images on the screen.

电视使用复合图像信号在屏幕上显示图像。

5.The quality of the composite picture signal can affect the clarity of the image.

复合图像信号的质量会影响图像的清晰度。

作文

In the realm of television technology, the term composite picture signal refers to a type of video signal that combines all the necessary information for producing an image into a single channel. This technology has been pivotal in the development of video transmission and display systems. To better understand the significance of the composite picture signal, we must delve into its history, functionality, and applications.Historically, the concept of combining video signals emerged in the early days of television. Before the advent of the composite picture signal, video signals were transmitted in separate components, such as brightness (luminance) and color (chrominance). This separation required more complex circuitry and made the transmission of video signals less efficient. The introduction of the composite picture signal revolutionized this process by merging these components into one unified signal, simplifying the design of television sets and video equipment.Functionally, the composite picture signal is created by encoding the luminance and chrominance information together. This allows for the effective transmission of video content over various media, including coaxial cables and other types of wiring. The signal is typically characterized by its ability to be transmitted over longer distances without significant degradation, making it suitable for both commercial broadcasting and consumer electronics.One of the key advantages of using a composite picture signal is its compatibility with older television systems. Many legacy devices, including VCRs and older televisions, rely on this type of signal for proper operation. This backward compatibility ensures that users can still enjoy their older devices while benefiting from modern technology advancements.However, despite its advantages, the composite picture signal does have some limitations. For instance, the quality of the image can suffer due to interference and signal degradation, particularly when transmitted over long distances or through poor-quality cables. As a result, higher-quality video formats, such as S-Video and component video, have been developed to address these issues by separating the luminance and chrominance signals again, providing improved image clarity and color accuracy.In practical applications, the composite picture signal is widely used in various devices, including cameras, televisions, and gaming consoles. It serves as a standard for connecting devices, allowing users to enjoy a seamless viewing experience. Moreover, many video conferencing systems utilize the composite picture signal due to its simplicity and effectiveness in transmitting video data.In conclusion, the composite picture signal plays a crucial role in the world of video technology. Its ability to combine multiple components into a single signal has simplified video transmission and enhanced the user experience across various devices. While newer technologies have emerged to improve video quality, the composite picture signal remains a fundamental aspect of video communication and playback, proving its enduring relevance in an ever-evolving technological landscape.

在电视技术领域，术语复合图像信号指的是一种视频信号，它将生成图像所需的所有信息组合成一个通道。这项技术在视频传输和显示系统的发展中发挥了重要作用。为了更好地理解复合图像信号的重要性，我们必须深入探讨其历史、功能和应用。\n\n从历史上看，合并视频信号的概念出现在电视的早期阶段。在复合图像信号出现之前，视频信号是以分开的组件形式传输的，例如亮度（明亮度）和颜色（色度）。这种分离需要更复杂的电路，并使视频信号的传输效率降低。复合图像信号的引入彻底改变了这一过程，将这些组件合并为一个统一的信号，简化了电视机和视频设备的设计。\n\n在功能上，复合图像信号通过将亮度和色度信息编码在一起而创建。这允许有效地通过各种媒体（包括同轴电缆和其他类型的电缆）传输视频内容。该信号通常以其能够在长距离内传输而不会显著降解的特性而著称，使其适合商业广播和消费电子产品。\n\n使用复合图像信号的一个主要优点是与旧电视系统的兼容性。许多遗留设备，包括录像机和旧电视，都依赖于这种类型的信号以确保正常操作。这种向后兼容性确保用户可以在享受现代技术进步的同时仍然使用他们的旧设备。\n\n然而，尽管有其优点，复合图像信号也存在一些局限性。例如，由于干扰和信号降解，图像质量可能会受到影响，特别是在长距离或通过劣质电缆传输时。因此，更高质量的视频格式，例如S-Video和分量视频被开发出来，以解决这些问题，通过再次分离亮度和色度信号，提供更好的图像清晰度和色彩准确性。\n\n在实际应用中，复合图像信号广泛用于各种设备，包括摄像机、电视和游戏机。它作为连接设备的标准，允许用户享受无缝的观看体验。此外，许多视频会议系统利用复合图像信号，因为其简单性和有效性在传输视频数据方面。\n\n总之，复合图像信号在视频技术世界中扮演着至关重要的角色。它将多个组件组合成一个信号的能力简化了视频传输，并增强了各种设备的用户体验。尽管较新技术已经出现以改善视频质量，但复合图像信号仍然是视频通信和播放的基本方面，证明了其在不断发展的技术环境中的持久相关性。