{"id":8462,"date":"2024-10-26T16:05:08","date_gmt":"2024-10-26T16:05:08","guid":{"rendered":"https:\/\/mp4gain.com\/mp4gain\/?p=8462"},"modified":"2024-10-27T02:41:54","modified_gmt":"2024-10-27T02:41:54","slug":"audio-video-desynchronization-in-mp4-playback","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/","title":{"rendered":"Audio-video Desynchronization in MP4 Playback"},"content":{"rendered":"<h1><span class=\"ez-toc-section\" id=\"Audio-video_Desynchronization_in_MP4_Playback\"><\/span>Audio-video Desynchronization in MP4 Playback<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p><a href=\"https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8275 size-full\" src=\"https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875.png\" alt=\"Audio-video Desynchronization in MP4 Playback\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875.png 1024w, https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875-300x300.png 300w, https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875-150x150.png 150w, https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875-768x768.png 768w, https:\/\/mp4gain.com\/mp4gain\/wp-content\/uploads\/2024\/04\/downloadedImage-2024-03-26T214925.875-45x45.png 45w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Audio-video_Desynchronization_in_MP4_Playback\" >Audio-video Desynchronization in MP4 Playback<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Lets_Talk_About_Audio-video_Desynchronization_in_MP4_Playback\" >Let\u2019s Talk About Audio-video Desynchronization in MP4 Playback<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#What_Causes_Audio-video_Desynchronization_in_MP4_Playback\" >What Causes Audio-video Desynchronization in MP4 Playback?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Improper_Encoding\" >Improper Encoding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Frame_Rate_Mismatch\" >Frame Rate Mismatch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Device_Compatibility_Issues\" >Device Compatibility Issues<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#How_to_Identify_Audio-video_Sync_Problems_in_MP4_Files\" >How to Identify Audio-video Sync Problems in MP4 Files<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Play_Test_Across_Multiple_Devices\" >Play Test Across Multiple Devices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Use_Synchronization_Tools\" >Use Synchronization Tools<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Solving_Audio-video_Desynchronization_in_MP4_Playback\" >Solving Audio-video Desynchronization in MP4 Playback<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Adjusting_Audio_Delay\" >Adjusting Audio Delay<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Re-encoding_the_MP4_File\" >Re-encoding the MP4 File<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Hardware_and_Software_Optimization\" >Hardware and Software Optimization<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Tips_for_Avoiding_Audio-video_Desynchronization_in_MP4s\" >Tips for Avoiding Audio-video Desynchronization in MP4s<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Ensure_Consistent_Frame_Rates_During_Recording\" >Ensure Consistent Frame Rates During Recording<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Test_Your_Files_Before_Sharing\" >Test Your Files Before Sharing<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Latest_Words_on_Audio-video_Desynchronization_in_MP4_Playback\" >Latest Words on Audio-video Desynchronization in MP4 Playback<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/#Comments\" >Comments:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lets_Talk_About_Audio-video_Desynchronization_in_MP4_Playback\"><\/span>Let\u2019s Talk About Audio-video Desynchronization in MP4 Playback<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When we watch a video, we expect the audio to match the visuals perfectly, but sometimes there\u2019s a noticeable lag, often called desynchronization. It\u2019s a bit like watching a dubbed movie where the words and lips don\u2019t match, which can be pretty distracting. Audio-video desynchronization in MP4 playback isn\u2019t only annoying, but it can make understanding content challenging, especially if timing is crucial. Here, I&#8217;ll dive into why this issue happens, and what we can do to fix it, drawing from years of experience in media technology.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Causes_Audio-video_Desynchronization_in_MP4_Playback\"><\/span>What Causes Audio-video Desynchronization in MP4 Playback?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Understanding the root of desynchronization helps us tackle it effectively. MP4 files are complex, packing both audio and video streams, and if either lags behind, we experience desynchronization. I\u2019ll explain the main causes, often unseen, that can lead to this frustrating issue.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Improper_Encoding\"><\/span>Improper Encoding<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>One of the top culprits is improper encoding. Encoding involves compressing a video and audio file into a playable format, like MP4. If audio and video are encoded separately or with mismatched parameters, the timing can easily go off. Think of encoding like assembling a puzzle; if pieces don\u2019t fit exactly, the final picture won\u2019t be seamless.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Frame_Rate_Mismatch\"><\/span>Frame Rate Mismatch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>MP4 playback relies on consistent frame rates to sync correctly. Sometimes, audio and video are recorded at different rates, causing them to drift apart over time. Imagine walking in step with a friend, then suddenly changing your pace; you\u2019ll quickly end up out of sync. The same happens in video files.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Device_Compatibility_Issues\"><\/span>Device Compatibility Issues<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Even if an MP4 file is perfectly encoded, playback issues can arise from device incompatibility. Different players and hardware handle synchronization differently, so a file that plays fine on one device might go out of sync on another. This is common when switching between older devices and newer media players.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Identify_Audio-video_Sync_Problems_in_MP4_Files\"><\/span>How to Identify Audio-video Sync Problems in MP4 Files<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Identifying desynchronization issues before they become distracting can save time. I\u2019ll walk you through some simple ways to spot sync problems early on.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Play_Test_Across_Multiple_Devices\"><\/span>Play Test Across Multiple Devices<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you notice an issue on one device, try playing the file on a different player or device. This helps determine if the problem is within the file itself or just with the particular player. For example, testing on a computer versus a smartphone can reveal player-specific issues.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Use_Synchronization_Tools\"><\/span>Use Synchronization Tools<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There are diagnostic tools designed to identify and measure synchronization issues in media files. I often use these tools to check for timing discrepancies, which are especially useful for identifying small lags that might go unnoticed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Solving_Audio-video_Desynchronization_in_MP4_Playback\"><\/span>Solving Audio-video Desynchronization in MP4 Playback<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If you&#8217;ve pinpointed the problem, it\u2019s time to fix it. I\u2019ll cover common solutions to bring audio and video back in sync and get your MP4 playback experience back on track.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adjusting_Audio_Delay\"><\/span>Adjusting Audio Delay<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many media players have a feature to adjust audio delay. If you notice that the audio leads or lags by a small amount, you can manually tweak the delay to get them back in sync. I use this feature a lot when testing MP4s because a slight nudge can often resolve minor sync issues instantly.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Re-encoding_the_MP4_File\"><\/span>Re-encoding the MP4 File<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If manual adjustment doesn\u2019t help, re-encoding might be necessary. Re-encoding creates a new file where audio and video are compressed together, reducing the chance of sync issues. Although it takes time, it\u2019s one of the most reliable ways to fix desync issues for good.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hardware_and_Software_Optimization\"><\/span>Hardware and Software Optimization<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In many cases, upgrading your media player or device software can fix synchronization problems. Sometimes, simply installing the latest version of a media player or updating your device\u2019s software can make a significant difference.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tips_for_Avoiding_Audio-video_Desynchronization_in_MP4s\"><\/span>Tips for Avoiding Audio-video Desynchronization in MP4s<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Prevention is better than cure, and there are steps you can take to avoid desynchronization issues in the first place. Here\u2019s what I recommend based on years of handling media files.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ensure_Consistent_Frame_Rates_During_Recording\"><\/span>Ensure Consistent Frame Rates During Recording<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Recording audio and video with consistent frame rates is key. If you\u2019re creating MP4s yourself, aim to use the same frame rate for both audio and video to reduce the chance of drift over time.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Test_Your_Files_Before_Sharing\"><\/span>Test Your Files Before Sharing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Before distributing an MP4, I always playtest it to make sure sync is intact. This step can save hours of troubleshooting later, especially if your content is going to be viewed on a variety of devices.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Latest_Words_on_Audio-video_Desynchronization_in_MP4_Playback\"><\/span>Latest Words on Audio-video Desynchronization in MP4 Playback<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Audio-video desynchronization in MP4 playback can be frustrating, but with the right knowledge, it\u2019s manageable. Remember to check encoding settings, use consistent frame rates, and test your files before sharing. And if issues persist, apps like Mp4Gain can help fine-tune synchronization for seamless playback. By following these steps, you can enjoy MP4s without the worry of out-of-sync audio and video.<\/p>\n<div class=\"comments\">\n<h2 class=\"comments-title\"><span class=\"ez-toc-section\" id=\"Comments\"><\/span>Comments:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"comment\">\n<p>Jake54: Finally, someone explained this in a way I can understand! I\u2019ve always had issues with video sync, and now I know what to do.<\/p>\n<\/div>\n<div class=\"comment\">\n<p>LaraP: Great tips on checking frame rates. I was so confused about why my videos were off on some devices. Very helpful!<\/p>\n<\/div>\n<div class=\"comment\">\n<p>ScreenJunkie21: I\u2019ve been using different players for ages because of desync issues, but this guide helped me fix my files instead. Thanks!<\/p>\n<\/div>\n<div class=\"comment\">\n<p>TechNerd45: This article is golden. More detailed than most I\u2019ve seen on sync issues. Love the bit about re-encoding to fix it.<\/p>\n<\/div>\n<div class=\"comment\">\n<p>JanieB: Anyone else struggling with audio delay? Wish I\u2019d seen this sooner\u2014saved me tons of trial and error.<\/p>\n<\/div>\n<div class=\"comment\">\n<p>KidOnTheWeb: So cool you explained it with real-life stuff. Even I could follow, and I\u2019m a total noob with tech. Thanks for this!<\/p>\n<\/div>\n<div class=\"comment\">\n<p>VidEditor94: Using this as a checklist for my videos. Just re-encoded a couple of MP4s, and they finally play correctly. Amazing advice!<\/p>\n<\/div>\n<div class=\"comment\">\n<p>CamFan: Why don\u2019t other sites break it down like this? I had no idea device compatibility could cause such big issues.<\/p>\n<\/div>\n<div class=\"comment\">\n<p>LittleMissEdit: Can anyone recommend a specific tool? I\u2019ve tried a few, but they didn\u2019t fix it long-term. Suggestions welcome!<\/p>\n<\/div>\n<div class=\"comment\">\n<p>GadgetGuy123: So useful. I\u2019ve been having issues with my old MP4 files on newer devices, and now they play like a charm.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Audio-video Desynchronization in MP4 Playback Let\u2019s Talk About Audio-video Desynchronization in MP4 Playback When we watch a video, we expect the audio to match the visuals perfectly, but sometimes there\u2019s a noticeable lag, often called desynchronization. It\u2019s a bit like watching a dubbed movie where the words and lips don\u2019t match, which can be pretty &hellip; <a href=\"https:\/\/mp4gain.com\/mp4gain\/audio-video-desynchronization-in-mp4-playback\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Audio-video Desynchronization in MP4 Playback&#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":[145575,184098,149803,124729,167486,184121,124579,184090,184110,178184,184086,184091,184088,184079,166844,167491,124656,184124,124644,184083,172291,170080,152743,17508,168442,168414,184082,184130,178702,184135,184105,184092,173059,184115,173057,184114,184128,184081,173058,183644,184102,184131,157015,144257,157019,6677,184097,184139,184117,184100,184095,184107,184109,184119,184103,177547,184116,176439,184120,184138,184127,184134,184034,184123,184085,184094,184101,184118,184125,184129,184087,184132,184122,184113,184137,184089,172837,184104,184112,16853,156268,184111,184106,184136,184108,124651,26908,184080,184099,171873,142412,124663,94987,184126,184096,184084,184133,184093],"class_list":["post-8462","post","type-post","status-publish","format-standard","hentry","category-audio-video","tag-audio-delay","tag-audio-drift","tag-audio-lag","tag-audio-playback","tag-audio-settings","tag-audio-sync-tools","tag-audio-synchronization","tag-audio-video-drift","tag-audio-video-lag-fix","tag-audio-video-sync","tag-audio-video-timing","tag-compression-problems","tag-consistent-frame-rate","tag-desynchronization","tag-device-compatibility","tag-digital-encoding","tag-digital-media","tag-digital-media-issues","tag-digital-video","tag-encoding-errors","tag-encoding-process","tag-encoding-settings","tag-file-compatibility","tag-frame-rate","tag-frame-rate-adjustment","tag-frame-rate-consistency","tag-frame-rate-mismatch","tag-frame-rate-tools","tag-frame-synchronization","tag-lag-resolution","tag-lag-solutions","tag-media-file-sync","tag-media-format","tag-media-lag","tag-media-playback","tag-media-playback-error","tag-media-playback-solutions","tag-media-player-issues","tag-media-settings","tag-media-synchronization","tag-media-testing","tag-mp4-desync-fix","tag-mp4-encoding","tag-mp4-file","tag-mp4-playback","tag-mp4-player","tag-mp4-sync","tag-mp4-sync-tools","tag-mp4-timing","tag-playback-delay","tag-playback-device","tag-playback-device-compatibility","tag-playback-errors","tag-playback-fix","tag-playback-frame-rate","tag-playback-issues","tag-playback-lag","tag-playback-optimization","tag-playback-solution","tag-playback-solutions","tag-playback-sync","tag-playback-tools","tag-playback-troubleshooting","tag-playback-troubleshooting-guide","tag-re-encoding","tag-sync-adjustment","tag-sync-correction","tag-sync-delay","tag-sync-drift","tag-sync-improvement","tag-sync-issues","tag-sync-problem","tag-sync-repair","tag-sync-settings","tag-sync-settings-adjustment","tag-testing-mp4s","tag-timing-errors","tag-troubleshooting-mp4","tag-troubleshooting-video","tag-video-codecs","tag-video-content","tag-video-delay","tag-video-delay-fix","tag-video-delay-troubleshooting","tag-video-drift","tag-video-editing","tag-video-format","tag-video-lag","tag-video-lagging","tag-video-performance","tag-video-playback","tag-video-processing","tag-video-quality","tag-video-sync-fix","tag-video-testing","tag-video-troubleshooting","tag-video-audio-delay","tag-video-audio-lag"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Audio-video Desynchronization in MP4 Playback - 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\/audio-video-desynchronization-in-mp4-playback\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Audio-video Desynchronization in MP4 Playback - mp4gain.com\" \/>\n<meta property=\"og:description\" content=\"Audio-video Desynchronization in MP4 Playback Let\u2019s Talk About Audio-video Desynchronization in MP4 Playback When we watch a video, we expect the audio to match the visuals perfectly, but sometimes there\u2019s a noticeable lag, often called desynchronization. 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