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Aspect ratio or resolution are terms commonly encountered on televisions, projectors, etc. So what is frame rate? Is there any difference between the aspect ratio and the resolution on the TV? Please refer to the article below with Tnhelearning.edu.vn to understand more!
What is frame rate?
Aspect ratio (also known as image ratio) represents the ratio of the width and height of a square or rectangular frame.
Typically, aspect ratios are written as two digits separated by a colon ( X:Y ). Where X represents the width , Y represents the height of the frame, and they are usually measured in pixels.
For example, when you come across a TV frame with an aspect ratio of 16:9, you can interpret it as a rectangle, with a TV width of 16 units and a height of 9 units.
Today, commonly used aspect ratios such as 16: 9, 4: 3, … are applied on many devices such as computer monitors, television screens, or paintings, photos, .. .
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Current popular frame rates
Following the current trend, technology manufacturers are constantly releasing more and more different aspect ratios to meet the needs and best experience of customers. Some of the most popular aspect ratios today are:
4:3 . aspect ratio
The 4:3 aspect ratio is commonly used on computer monitors, suitable for office work or for standard television, camcorders.
However, with the advent of 16:9 aspect ratio, the trend of using wide screens is increasing, users of 4:3 aspect ratio are also more limited, not as popular as before.
However, compared to other ratios, it can be said that 16:9 and 4:3 aspect ratios are the two most popular ratios, still used in the world for high-definition television and television. European Digital.
16:9″ aspect ratio
16:9 aspect ratio is the most common international standard ratio on current technology devices and screens such as phones, televisions, LED screens, advertising screens, … and is used as standard ratio of YouTube videos.
The outstanding feature of the 16: 9 aspect ratio is that it allows images/videos to be displayed sharp , full screen and lose the black borders, more upgraded, unlike other frames.
The types of screens with popular resolutions such as HD, FullHD have a standard aspect ratio of 16: 9, expanded with a standard of 17: 9 in 4K resolution screens. The aspect ratio can be calculated by dividing by the parameter of the screen resolution, assuming the screen has a resolution of 1920 x 1080 pixels, the aspect ratio will be calculated as 16: 9.
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Aspect Ratio 16:10
16:10 aspect ratio displays images/ in widescreen, full and clear. This ratio is widely used in large LCD and plasma televisions or computer monitors, laptops used for gaming.
Aspect Ratio 18:9
With an aspect ratio of 18: 9 commonly used in high-end phone products, it increases the aesthetic value when the screen size is large but still retains the overall structure to become neater and more convenient. .
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Difference in aspect ratio and resolution
| Aspect Ratio | Resolution | |
| Concept | Is the relationship between the width and height of a frame. | An indicator that indicates the number of pixels (pixels) on the screen. |
| Sign | X:Y (eg 16:9) | X x Y (eg 1920 x 1080) |
| Some common ratios | Aspect Ratio 16:9, 4:3, 16:10, 18:9 |
|
| Characteristic | The larger the aspect ratio, the sharper and fuller the image is. | The higher the resolution, the smoother, sharper and more realistic the image will be. |
| Application | Most applications on TV screens, laptops, phones,… | Most applications on TV screens, laptops, phones,… |
How does the aspect ratio affect the quality of the TV display?
The aspect ratio has a correlation with the resolution, each aspect ratio will correspond to a certain resolution without breaking the image and showing no gaps around the image.
- The aspect ratio corresponding to specific resolutions is as follows:
| Describe | Resolution | Aspect Ratio | Width (pixels) |
Height (pixels) |
| Standard Definition (SD) | 480i or 480p | 4:3 | 640 | 480 |
| High Definition (HD) | 720p | 16:9 | 1280 | 720 |
| High Definition (HD) | 1080i or 1080p | 16:9 | 1920 | 1080 |
| Ultra High Definition (UHD) or 4K | 2160p | 16:9 | 3840 | 2160 |
The aspect ratio is always improved according to the cinematic trend, the larger the frame rate, the sharper and more complete the image display on the TV is when there are no black borders on the screen, helping people View has a pleasant feeling, vivid and realistic images.
The above article has provided you with the aspect ratio and the difference in frame rate and resolution on TV. Hope this article will bring you useful information. If you have any questions, please leave a comment below so that Tnhelearning.edu.vn can answer the fastest!
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