Audio/Video Delay

Delays audio and video for synchronized playback

If this extension solves your audio issues, please consider leaving a review. Thank you! GitHub: https://github.com/cpb34/Audio-Video-Delay === Privacy === Audio/Video Delay runs locally and does not collect any user data or analytics. It is fully open-source and can be freely reviewed at GitHub. === Limitations === - DRM-protected content can only have its audio delayed. The screen will appear black when attempting to delay DRM video. - Subtitles are delayed only for videos on YouTube and the JW Player === Usage Guide === For the best experience with frame-perfect playback, enable graphics acceleration in your browser and set all displays to 60fps in your computer's settings. If any display is over 60fps, frame drift may occur and the delayed video may be choppy. Only use above 60fps if your computer has a dedicated graphics card or powerful integrated graphics and can maintain a locked framerate. -- Enabling/Disabling the Extension Enable or disable the extension by pressing the bottom button in the GUI. The current on/off state is reflected here. -- Changing Delay Modes Between Audio and Video Video is delayed by default. Delay audio instead by clicking the yellow "Video" button at the top of the GUI. It will change to a red "Audio" button, and clicking it will return the delay mode back to video. -- Changing the Delay Amount Input the desired delay (in milliseconds) in the middle box of the GUI; no page refresh is required. -- If Screen Tearing Occurs NVIDIA GPU users: - NVIDIA Control Panel -> Manage 3D Settings -> enable Vertical Sync in Global Settings or do so in Program Settings for your browser - Set all displays to 60fps, as the delay mechanism is fundamentally different for videos at 60fps and above 60fps - Follow potential fixes in the Intel section below - Roll back drivers with NVCleanstall if all else fails. If on gaming drivers, try studio drivers instead. This would be understandably painful, but a non-tearing, synchronized video is worth the trouble. There are no other extensions that you can try instead that will give you the same quality delayed video as the original video itself. - Send an email to support@cpb.dev with a description of your issues and I will help resolve them AMD GPU/iGPU users: - AMD Adrenaline Software -> Gaming -> Display -> enable VRR Intel GPU/iGPU users: - Experiment with resolution settings, disabling hardware acceleration in the browser (will reduce performance but will confirm it's a GPU issue), and having multiple displays active (moving the cursor to the display not containing the video may help) === Release Notes === v2.4.1 - Resolved a bug which caused a black frame after switching tabs and restarting videos v2.4.0 - Instagram Reels edge case handling, additional memory leak protections v2.3.3 - Subtitle alignment fix for thumbnail-sized videos, logic fix for buffering videos, documentation updates v2.3.2 - General optimization and logic fixes v2.3.1 - Fallback to original frame queue method for displays over 60fps v2.3.0 - Optimizations to reduce frame drift and GPU utilization spikes v2.2.0 - Autogenerated and standard YouTube subtitle delay support v2.1.0 - Removed fullscreen limitation, GUI behavior modifications v2.0.0 - Audio delay implemented, GUI update, filename changes, subtitle bug fix v1.2.1 - Subtitle logic changed to allow multiple styles per line v1.2.0 - Better render efficiency and subtitle clarity at low resolutions v1.1.2 - Subtitle bug fix v1.1.1 - Chrome storage bug fix v1.1.0 - Subtitle delay support implemented for videos using the JW Player v1.0.0 - Video delay and UI foundation