What is the best video and movie quality?
What video formats are there?
Video (video – watch, watch) is the transformation of an image by a recording device into a sequence of electrical signals recorded in storage (storage).
In addition, video is a great variety of technologies for recording, processing, transferring, storing and reproducing visual or audiovisual material (cinema, films, video recordings, music, video, etc.). Video differs from film and cinematography only in that it uses any medium other than film for its reproduction and recording, although the modern development of digital technologies in filming and digital cinema projectors eventually blurs the line between the video, movies and cinema. The video format determines the structure of the video file, how the file will be stored on the storage medium (CD, DVD, Blu-ray Disc, flash memory cards, hard drives or communication channels).
The best highest quality video today is HDTV (High Definition Television in English): high definition television, high definition television. HD is a high definition video format, a modern format with a high definition of the image.
The most popular HD video formats are:
1) 720p – 1280 × 720 pixels (dots), progressive scan (progressive scan, all lines of each frame are displayed sequentially), 16: 9 aspect ratio, frequency – 24, 25, 30, 50 or 60 frames per second ;
2) 1080i – 1920 × 1080 pixels, interlaced (each frame is divided into two half frames, consisting of lines selected with a line separating, 2 times the frame rate compared to progressive), 16: 9 aspect ratio , frequency – 50 or 60 fields per second;
3) 1080p – 1920 × 1080 pixels, progressive scan, aspect ratio 16: 9, frequency – 24, 25 or 30 frames per second.
