4 point comparison of 4K OTT UHD set-top box and ordinary set-top box

       An OTT box refers to a high-definition terminal device that allows users to watch online videos by connecting to the Internet. Compared with traditional set-top boxes, OTT boxes have the advantages of massive content and ultra-clear image quality, so they are welcomed by consumers.

　　4K OTT ultra high definition set-top box refers to a network TV set-top box that supports 4K decoding. It is 4 times the resolution of 2K projectors and high-definition TVs and belongs to ultra-high-definition resolution. At this resolution, the audience will be able to see every detail in the picture, and every close-up, in addition to a significant increase in resolution, 4K has variations in frame rate, color depth, color space, and more.

　　The difference between a 4K OTT UHD set-top box and an ordinary set-top box

　　1. Fluency: The normal full HD video frequency is 24HZ, so a smear will appear when there is a high-speed moving object in the video. 4K Ultra HD has a full specification of 3840*2160@30Hz. Each frame is optimized in real-time. The image is clearer and sharper, and the details are overly smooth and smooth.

　　2. Definition: The resolution of ordinary full HD is 1920*1080. and the resolution of 4K is 3840*2160 pixels, which is 4 times that of full HD, and the picture is more realistic and delicate.

　　3. Color: Ordinary full HD color is too bright or too dark, and the image is whitened, 4K color adjustment points are more, the rich color is accurately restored, and the image is more bright and detailed.

　　4. Sound effects: Ordinary full HD has 2.0 channels, and the sound quality is thin and simple. Some 4K ultra-high-definition set-top boxes have built-in Dolby decoding capabilities, support optical fiber lossless audio output, and have rich stereo levels.

　　In general, 4K OTT ultra-high-definition set-top boxes have many differences compared with ordinary set-top boxes. We need to constantly summarize its characteristics in order to make them better serve our daily life.

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