Definition of HD and the Difference of Its Size

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The following article will tell you about the definition of HD. Some of you might already know that HD stands for high definition. It is a technical terms representing the quality of images and video. Therefore, it should not be surprising if you are able to find it in videos or television. The term itself is often followed by series of numbers such as 1080p, 720p, 2K, 4K, and many more. Those numbers are often referred as HD resolution size.

definition of HD

Definition of HD and the Difference of Its Size

HD resolution size has a high numbers. This number represents the amount of pixel inside a video. Pixel itself is small dot that can change color on your television. A high definition TV often has one to four million of pixels. In order to see the pixel, you will need to see the television screen closely or using magnifying glass.

After understanding about the definition of HD, you might want to know what types of high definition video that normally used. The best definition that you can get starts from 720p, 1080p, 2K, all the way up to 4K. As you can already guess, video with 1080p is better than the one with 720p. As the numbers grow bigger, the quality goes even better. Both of them are categorized as high definition video. That being said, 1080p is also often called as Full HD while the 720p is referred as standard definition.

The HD resolution size can be determined by the resolution of the video. For instance, a video that has 720p resolution means that the size is 1280 by 720 pixels. In other hand, a video with 1080p comes in the size of 1920 x 1080 pixels. From the size, the width of video is mentioned before the height. The resolution is counted based on the height of the screen, which is mentioned after the width.

What those numbers has to do with definition of HD of your television? A high definition TV cannot play a video with higher resolution. For example, television with 720p of resolution cannot play a high definition video at 1080p. Therefore, if you want to enjoy watching video in full experience, it is advisable to use higher screen resolution.

Other than 1080p, there is screen that comes at 4K resolution. This particular resolution is often called as Ultra HD. Television with such specification has already available in the market. In the beginning, they might be expensive. However, after plenty of manufacturers are competing against each other, the price is significantly declining. An Ultra high definition TV becomes an affordable entertainment for your family.

The best part about television with 4K resolution is you can play video with lower resolution such as videos at 720p or 1080p. The television will play the video smoothly without noticeable problems. Those are brief introduction about the definition of HD. To sum it up, television keeps upgrading their resolution. It allows you to play video with the exact same resolution or lower to get full experience of viewing.


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