What is the abbreviation of hd?

High definition refers to an image quality standard with higher definition than the standard in terms of resolution, color and contrast of video, TV, movies and other media. HD was first introduced by Sony, Panasonic and Thomson in Japan on 1995, and has been widely used in various media fields.

The resolution of HD is usually 1280×720 or 1920× 1080 pixels, which is several times higher than that of SD. Can present clearer and more delicate picture details, and at the same time can better restore the color and contrast of the film.

Besides TV and movies, HD is also widely used in games, photography, video recording and other fields. In the game, high-definition technology can present more realistic and delicate picture effects, and enhance the immersion and experience of the game. In photography and video shooting, high-definition technology can help photographers and cameramen capture more detailed and vivid pictures and improve the quality and value of their works.

Hd features:

The high-definition feature of mobile phone screen means high resolution and better display effect. The high-definition screen presents clearer and more delicate images and colors on the mobile phone, allowing users to enjoy a better visual experience.

High-definition screens usually have higher pixels per inch and higher resolution, which makes images clearer and more detailed. It can present more realistic and vivid colors and provide better contrast and brightness. This enables users to feel more realistic and pleasant visual effects when watching high-definition videos, playing games, browsing pictures and other media content.

It is worth noting that the high-definition characteristics of mobile phones refer to the display technology and quality of the screen, and are not limited to the resolution. At present, higher display standards have been introduced, such as full HD and ultra HD, with higher resolution and better display effect.

Reference to the above content: Baidu Encyclopedia-HD