{"id":3200,"date":"2021-02-19T22:49:52","date_gmt":"2021-02-19T22:49:52","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=3200"},"modified":"2021-02-19T22:49:52","modified_gmt":"2021-02-19T22:49:52","slug":"what-is-video-encoding-part-3","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/what-is-video-encoding-part-3\/","title":{"rendered":"What is video encoding? Part 3"},"content":{"rendered":"<p><strong>What is video encoding? Part 3<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.vidizmo.com\/hubfs\/Encoding.jpg\" alt=\"video encoding\" width=\"1200\" height=\"600\" \/><\/p>\n<p>MP 3<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/6lli539m39y3hpkelqsm3c2fg-wpengine.netdna-ssl.com\/wp-content\/uploads\/2017\/03\/binary-code-digital-shutterstock-1000x-675x380.jpg\" alt=\"video encoding\" width=\"675\" height=\"380\" \/><\/p>\n<p>MP3 (MPEG-1 Audio Layer-3) is a standard technology and format for compressing an audio stream into a very small file (reduced by approximately 20 times the size of the original file) while maintaining the same level of quality as the file original audio. . MP 3 technology uses psychoacoustic modeling to reduce the size of the audio file and maintain a high level of sound quality.<\/p>\n<p>MPEG<br \/>\nMPEG stands for Motion Picture Expert Group and MPEG stands for the generic name for video formats. A group of experts defines standards for digital video such as MPEG -1 (used in Video CD), MPEG -2 (used in DVD and SVCD), MPEG -4 (used in DivX video technology), as well as some audio standards, among others that MP 3 and AAC.<\/p>\n<p>MPEG -4<br \/>\nMPEG-4 is a standard developed by the 11th MPEG Working Group of ISO (International Organization for Standardization) in October 1998 (the date of the first draft of the standard). MPEG-4 is the standard for the mature digital age. With its additional features, MPEG-4 offers better compression, interactivity, and versatile wireless data \/ Internet access.<\/p>\n<p>Multipass encoding &#8211; multipass encoding<br \/>\nTrue multi-pass encoding is currently only available for WM8 and MPEG-2 (SVCD and miniDVD). The multi-pass encoder analyzes the video stream on the first pass and writes everything it finds to log files. Let&#8217;s say we have a shortcut that starts with a dialogue scene where we cut something out and the camera remains stationary. Then we move on to karate shots, with a host of rapidly changing scenes and actively developing action (people flying in the air, kicking, punching, etc.).<\/p>\n<p>Usually with a constant bit rate the encoder receives a higher or lower bit rate every second (this can only be called a constant 100% bit rate, but these are details). While in multi-pass variable bit rate mode, the encoder will use the bit rate according to the knowledge of the video stream, that is, the dialogue scene will receive a dedicated bit rate and the fight scene it will be much greater.<\/p>\n<p>The more passes there are, the more perfect the bitrate distribution will be. In a single variable bit rate pass, the encoder must base its decision on where and what bit rate to use solely on knowledge of the composition of its previous encoding.<\/p>\n<p>PCM<br \/>\nPulse code modulation is the simplest binary representation of digital audio. The audio signal is converted into samples (samples) corresponding to the frequency of the signal. Then each sample (sample) is written in sequence, without using heavy compression techniques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is video encoding? Part 3 MP 3 MP3 (MPEG-1 Audio Layer-3) is a standard technology and format for compressing an audio stream into a very small file (reduced by approximately 20 times the size of the original file) while maintaining the same level of quality as the file original audio. . MP 3 technology &hellip; <a href=\"https:\/\/mp4gain.com\/mp4gain\/what-is-video-encoding-part-3\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;What is video encoding? Part 3&#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":[60231,60230,60214,60209,60215,60210,60221,60220,60207,60222,44309,60233,60202,60201,60204,60205,60206,60232,60203,60213,60208,60212,60223,60227,60228,60224,60226,60218,60216,60219,60217,60234,60235,60237,60211,60236,60225,60229],"class_list":["post-3200","post","type-post","status-publish","format-standard","hentry","category-audio-video","tag-aws-lambda-video-encoding","tag-aws-video-encoding","tag-does-gpu-help-video-encoding","tag-does-video-encoding-use-graphics-card","tag-hd-video-encoding","tag-how-does-video-encoding-work","tag-how-to-change-video-encoding","tag-how-to-check-video-encoding-format","tag-how-to-do-video-encoding","tag-how-to-make-video-encoding-faster","tag-how-video-encoding-works","tag-in-video-encoding","tag-is-video-encoding","tag-is-video-encoding-cpu-or-gpu","tag-re-encoding-video","tag-re-encoding-video-smaller-size","tag-re-encoding-video-files","tag-the-video-encoding-process","tag-what-are-video-encoding-software","tag-what-does-video-encoding","tag-what-does-video-encoding-do","tag-what-does-video-encoding-mean","tag-what-is-video-encoding-and-decoding","tag-what-is-video-encoding-bitrate","tag-what-is-video-encoding-format","tag-what-is-video-encoding-h-264","tag-what-is-video-encoding-h-265","tag-what-video-encoding-does-netflix-use","tag-what-video-encoding-does-youtube-use","tag-what-video-encoding-means","tag-whats-video-encoding","tag-which-best-describes-the-video-encoding-process","tag-who-is-video-encoding","tag-why-does-encoding-video-take-forever","tag-why-does-video-encoding-take-so-long","tag-why-encoding-video","tag-why-is-video-encoding-so-slow","tag-why-is-video-encoding-used"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is video encoding? 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