{"id":2367,"date":"2020-11-01T21:42:31","date_gmt":"2020-11-01T21:42:31","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=2367"},"modified":"2020-11-01T21:42:31","modified_gmt":"2020-11-01T21:42:31","slug":"video-encoding","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/video-encoding\/","title":{"rendered":"Video encoding"},"content":{"rendered":"<p><strong>Video encoding<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/byteway.files.wordpress.com\/2013\/05\/vido_coding.png\" alt=\"Video coding\" width=\"813\" height=\"494\" \/><\/p>\n<p>Video information (video) is a three-dimensional array of colored pixels, the coordinates of which are the horizontal and vertical resolution of the frame and the time with which a single frame is associated.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/slideplayer.com\/slide\/6982589\/24\/images\/13\/Spatial+Compression+Very+similar+to+JPEG.jpg\" alt=\"Video Compression\" width=\"960\" height=\"720\" \/><\/p>\n<p>A frame (image) is an array of pixel values \u200b\u200bas viewed by the camera at any given time.<\/p>\n<p>There is the concept of a half frame, which is associated with &#8220;interlaced scan&#8221;. It is clear that the volume of the video is extremely large. For its storage and transmission through communication channels, compression is performed, which has a number of characteristics: blockiness (division of the image into 8 \u00d7 8 pixel blocks), blur (loss of small details of the image), etc.<\/p>\n<p>There are several video compression technologies. Modern digital television transmission became available precisely thanks to video compression, a physical radio channel can transmit high-definition video (HDTV), several TV channels simultaneously. Most of the video content is transmitted using the MPEG-2 video compression standard. Newer and more efficient video compression standards: H.264 \/ MPEG-4 AVC and VC-1. One of the most powerful technologies for increasing the compression ratio is motion compensation technology, in which subsequent frames in a sequence use the similarity of areas in previous frames to increase the compression ratio. For example, discrete cosine transform (DCT) video compression that eliminates spatial redundancy requires specifying a quantization process. Quantization can be scalar and vector, most practical compression schemes use scalar quantization due to its simplicity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Video encoding Video information (video) is a three-dimensional array of colored pixels, the coordinates of which are the horizontal and vertical resolution of the frame and the time with which a single frame is associated. A frame (image) is an array of pixel values \u200b\u200bas viewed by the camera at any given time. There is &hellip; <a href=\"https:\/\/mp4gain.com\/mp4gain\/video-encoding\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Video encoding&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[49913,49919,49916,49917,49900,49924,49923,49876,49885,49911,49915,49886,49907,49899,49887,49908,49922,49873,49874,49898,49883,49884,49891,49905,49880,18428,49882,49914,49888,49889,49890,49893,49894,49912,49904,49909,49920,49878,18339,49879,49892,49877,49906,49910,49918,49881,49875,49903,49902,49921,49895,49896,49897,49901],"class_list":["post-2367","post","type-post","status-publish","format-standard","hentry","category-audio-video","tag-3-layer-compression-dressing-video","tag-4-layer-compression-video","tag-4k-video-compression","tag-4k-video-for-compression-tests","tag-7-zip-video-compression","tag-8k-video-compression","tag-ai-8k-video-compression-technology","tag-ai-video-compression","tag-android-video-compression-library","tag-arlo-pro-2-video-compression","tag-best-4k-video-compression","tag-best-lossless-video-compression","tag-best-video-compression-2020","tag-best-video-compression-for-youtube","tag-best-video-compression-linux","tag-best-video-compression-software-2020","tag-canon-70d-video-compression","tag-compression-a-video-file","tag-compression-a-video-recording","tag-cpr-compression-video-youtube","tag-deep-learning-video-compression","tag-digital-video-compression-center-logo","tag-free-video-compression-software-no-watermark","tag-free-video-compression-windows-10","tag-h-video-decompression","tag-h-265-video-compression","tag-jobst-compression-stockings-video","tag-lossless-compression-video-4k","tag-netflix-video-compression-algorithm","tag-new-video-compression","tag-nvidia-video-compression","tag-quick-video-compression","tag-quicktime-video-compression","tag-storyline-360-video-compression","tag-top-10-video-compression-software","tag-vc-2-video-compression","tag-video-5-7-compression","tag-video-compression-facebook","tag-video-compression-free","tag-video-compression-freeware","tag-video-compression-problem","tag-video-compressor","tag-video-compressor-1-gb","tag-video-compressor-2gb","tag-video-compressor-4k","tag-video-trimmer-joiner-compression","tag-what-is-a-video-compression","tag-win-10-video-compression","tag-windows-10-video-compression-software","tag-windows-7-video-compression","tag-youtube-video-compression-rate","tag-youtube-video-compression-sock-aid","tag-youtube-video-compression-software","tag-zoom-video-compression"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Video encoding - mp4gain.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mp4gain.com\/mp4gain\/video-encoding\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Video encoding - mp4gain.com\" \/>\n<meta property=\"og:description\" content=\"Video encoding Video information (video) is a three-dimensional array of colored pixels, the coordinates of which are the horizontal and vertical resolution of the frame and the time with which a single frame is associated. 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