color picture signal

简明释义

彩色图象信号

英英释义

例句

1.To improve the viewing experience, we need to enhance the color picture signal quality.

为了改善观看体验，我们需要提高彩色图像信号的质量。

2.The television set receives a strong color picture signal to display vivid images.

电视机接收到强烈的彩色图像信号以显示生动的图像。

3.We adjusted the antenna to receive a better color picture signal from the broadcast tower.

我们调整了天线，以从广播塔接收更好的彩色图像信号。

4.During the presentation, the projector struggled to maintain a clear color picture signal.

在演示过程中，投影仪难以保持清晰的彩色图像信号。

5.The cable provider guarantees a stable color picture signal for all premium channels.

有线电视提供商保证所有高级频道都有稳定的彩色图像信号。

作文

In the world of television and multimedia, the term color picture signal refers to the electronic signal that carries information about the color and brightness of each pixel in a video image. This signal is crucial for rendering images on screens, whether they are televisions, computer monitors, or smartphones. Understanding how color picture signal works is essential for anyone interested in the fields of broadcasting, video production, or even photography.The color picture signal is composed of several components that work together to create the vibrant images we see on our screens. The most fundamental aspect of this signal is the way it encodes color information. Traditionally, colors are represented using the RGB (Red, Green, Blue) color model. Each pixel in an image is made up of varying intensities of these three primary colors. By adjusting the levels of red, green, and blue, a wide spectrum of colors can be produced. In addition to the RGB components, the color picture signal also includes luminance information, which represents the brightness of the image. This is important because human eyes perceive brightness differently than colors. Therefore, the combination of luminance and chrominance (the color information) allows for more efficient transmission of video signals. For example, in analog television systems, the color picture signal was often transmitted using a method called NTSC, PAL, or SECAM, each with its own way of encoding color and brightness.With the advent of digital technology, the way we handle color picture signal has evolved significantly. Digital video formats now use compression techniques to reduce the amount of data required to transmit color information without sacrificing quality. Formats such as MPEG-2, H.264, and HEVC (H.265) have become standard in the industry. These formats not only encode the color picture signal more efficiently but also allow for higher resolutions, such as Full HD and 4K, providing viewers with an even more immersive experience.Moreover, the importance of color picture signal extends beyond just television. In fields like graphic design and photography, understanding how color signals work is crucial for producing high-quality images. Designers must consider how their colors will appear on different devices, as variations in color picture signal processing can lead to discrepancies between what is seen on a computer monitor and what is printed on paper.In conclusion, the color picture signal is a fundamental concept in the realm of visual media. It is the backbone of how we perceive and interact with color images across various platforms. As technology continues to advance, the methods of transmitting and processing color picture signal will undoubtedly evolve, leading to even richer and more dynamic visual experiences. Understanding this concept not only enhances our appreciation of media but also equips us with the knowledge to engage more critically with the content we consume daily.

在电视和多媒体的世界中，术语color picture signal指的是携带视频图像中每个像素的颜色和亮度信息的电子信号。这个信号对于在屏幕上呈现图像至关重要，无论是电视、计算机显示器还是智能手机。理解color picture signal的工作原理对任何对广播、视频制作甚至摄影感兴趣的人来说都是必不可少的。color picture signal由几个组件组成，这些组件共同作用以创建我们在屏幕上看到的生动图像。这个信号的最基本方面是它如何编码颜色信息。传统上，颜色是使用RGB（红、绿、蓝）颜色模型表示的。图像中的每个像素由这三种主要颜色的不同强度组成。通过调整红色、绿色和蓝色的水平，可以产生广泛的颜色谱。除了RGB组件外，color picture signal还包括亮度信息，表示图像的亮度。这一点很重要，因为人眼对亮度的感知与颜色不同。因此，亮度和色度（颜色信息）的组合允许更有效地传输视频信号。例如，在模拟电视系统中，color picture signal通常使用NTSC、PAL或SECAM等方法进行传输，每种方法都有自己编码颜色和亮度的方式。随着数字技术的出现，我们处理color picture signal的方式发生了显著变化。数字视频格式现在使用压缩技术来减少传输颜色信息所需的数据量，而不牺牲质量。MPEG-2、H.264和HEVC（H.265）等格式已成为行业标准。这些格式不仅以更高效的方式编码color picture signal，而且还允许更高的分辨率，如全高清和4K，为观众提供更身临其境的体验。此外，color picture signal的重要性不仅限于电视。在平面设计和摄影等领域，理解颜色信号的工作原理对于制作高质量图像至关重要。设计师必须考虑他们的颜色在不同设备上的表现，因为color picture signal处理的差异可能导致计算机显示器上看到的内容与纸张上打印的内容之间的差异。总之，color picture signal是视觉媒体领域的一个基本概念。它是我们如何在各种平台上感知和与彩色图像互动的基础。随着技术的不断进步，传输和处理color picture signal的方法无疑会演变，导致更丰富和更动态的视觉体验。理解这一概念不仅增强了我们对媒体的欣赏，而且使我们具备了更批判性地参与我们每天消费的内容的知识。