The audio and video tracks in XviD files can sometimes become out of sync. Watching movies with characters whose lips don't match the words can be frustrating and confusing. Sometimes, an exciting part of a movie can take place in the audio track nearly a minute before the video catches up, spoiling the action for the viewer. According to the XviD Movies website, XviD video usually pairs with MP3 or AC3 audio, optimising the quality of the audio and video.
- Skill level:
Download the free and open-source Virtual Dub. Right-click the set-up file, and choose "Extract files." Double-click "Virtual Dub" to run the program.
Click "File" > "Open" to search for your video file on your computer. Double-click the file to load it in the program. Click "Video" at the top of the screen, then choose "Direct stream copy" from the menu.
Click "Video" > "Frame Rate" from the menu. Click the option button that says "Change so video and audio durations match." Click "OK."
Click "File" and "Save as" to save a copy of your synchronised video.
Download the free and open-source Nan Dub. Right-click the RAR archive, and choose "Extract files" to view the contents. Double-click "Nan Dub" to run the program.
Click "File" > "Open" to load your XviD file in the program. Click "Video" at the top of the screen, and choose "Direct stream copy" from the list. Click "Video" > "Frame rate" to open an option window.
Click the option button next to "Change so video and audio durations match." Click "Process all frames," and click "OK." Click "File" > "Save as" to save a copy of the corrected file.
Download YAAI. Right-click the set-up file, and choose "Extract files." Double-click YAAI to run the program.
Search the pop-up file browser for the XviD video you want to re-sync. Double-click the file to load it in the program. Click the "Sync Audio" tab to open a pop-up video player.
Drag the "Delay Video/Audio" slider toward "Audio" or "Video," depending on which one needs to be delayed. Click "Apply." Your settings take effect while the video plays in the pop-up player.
Tips and warnings
- If you aren't sure how many seconds your audio and video are out of sync, look at the frame counter at the bottom of your video player or in one of the video-syncing programs. Watch the video and listen to the audio while counting the seconds between them. This will help you sync the audio and video correctly in the YAAI program.
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