{"id":3964,"date":"2021-08-14T12:10:27","date_gmt":"2021-08-14T12:10:27","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=3964"},"modified":"2021-08-14T12:10:27","modified_gmt":"2021-08-14T12:10:27","slug":"keyframes-for-moving-images","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/keyframes-for-moving-images\/","title":{"rendered":"Keyframes for moving images"},"content":{"rendered":"

Keyframes for moving images<\/strong><\/p>\n

\"Bitrate<\/p>\n

In a moving image, things move or change significantly in a short time. Therefore, inserting keyframes at short intervals improves the reproducibility of small movements.<\/p>\n

\"Bitrate\"<\/p>\n

There is also the advantage that the search is smoother for images with many keyframes. The reason is that the search is based on keyframes, so the more keyframes you have, the easier it is to stop at the target scene. If the position where the search stops is not a keyframe but a difference information frame, the information is fetched to a nearby keyframe, but that time is short.
\nHowever, if you increase the number of keyframes too much, the keyframe bit rate will be taken over and the overall video quality will deteriorate, so be careful.
\nFor moving images, the keyframe is approximately once every 3 seconds.<\/p>\n

\u25a0 Keyframes for images with little movement<\/p>\n

Since there is little difference information in a video with little motion, you won’t notice much difference in change even if there are few keyframes. However, if you insert keyframes for too long, search may not work properly and playback may take a long time to start. This is the opposite of the case where there are many keyframes, and if the rewind position is far from the keyframes, it will take time to read.
\nFor those with little movement, the guideline for keyframes is approximately once every 6 to 8 seconds.<\/p>\n

So far, “What is the encoding mechanism? Five points to consider for encoding HD video [Part 1]”, “Understanding the appropriate bit rate for the resolution you want to distribute”, motion oriented or image quality I explained three points how to change the “frame rate” and “how to insert keyframes” depending on whether it is important. In [Part 2], we will explain “the advantages and disadvantages of bitrate setting (CBR \/ VBR), proper usage” and “correct aspect ratio and interlaced processing”.<\/p>\n","protected":false},"excerpt":{"rendered":"

Keyframes for moving images In a moving image, things move or change significantly in a short time. Therefore, inserting keyframes at short intervals improves the reproducibility of small movements. There is also the advantage that the search is smoother for images with many keyframes. The reason is that the search is based on keyframes, so … Continue reading “Keyframes for moving images”<\/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":[60243,62707,61459,62705,45062,60247,62716,62726,62727,62729,62728,62710,62712,62714,62709,42159,62708,62711,62706,43373,62717,62719,62715,62718,62722,62720,62721,62723,62725,62724,62713,62730],"class_list":["post-3964","post","type-post","status-publish","format-standard","hentry","category-audio-video","tag-audio-have-bitrate","tag-bitrate-do-audio","tag-does-audio-bitrate-affect-volume","tag-does-audio-bitrate-matter","tag-hd-audio-bitrate","tag-is-bitrate-audio","tag-is-higher-audio-bitrate-better","tag-was-ist-audio-bitrate","tag-was-ist-die-audio-bitrate","tag-was-ist-die-beste-audio-bitrate","tag-was-ist-eine-gute-audio-bitrate","tag-what-audio-bitrate-does-youtube-use","tag-what-audio-bitrate-is-youtube","tag-what-audio-bitrate-should-i-record-at","tag-what-audio-bitrate-should-i-stream-at","tag-what-audio-bitrate-should-i-use","tag-what-audio-bitrate-should-i-use-obs","tag-what-audio-bitrate-should-i-use-streamlabs","tag-what-does-audio-bitrate-mean","tag-what-does-video-audio-bitrate-mean","tag-what-is-audio-bitrate-and-sample-rate","tag-what-is-audio-bitrate-android","tag-what-is-audio-bitrate-obs","tag-what-is-audio-bitrate-on-youtube","tag-what-should-audio-bitrate-be","tag-what-should-audio-bitrate-be-obs","tag-what-should-audio-bitrate-be-streamlabs","tag-what-should-my-audio-bitrate-be","tag-what-should-my-audio-bitrate-be-for-streaming","tag-what-should-my-audio-bitrate-be-streamlabs","tag-whats-audio-bitrate","tag-which-audio-bitrate-is-best"],"yoast_head":"\nKeyframes for moving images - 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\/keyframes-for-moving-images\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Keyframes for moving images - mp4gain.com\" \/>\n<meta property=\"og:description\" content=\"Keyframes for moving images In a moving image, things move or change significantly in a short time. 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