![]() ![]() ‘Avidemu’ is actually one of the best free audio and video synchronization software that you can use (it’s originally intended purpose is actually to act as a simple video editing & encoding software which comes with in-built filters etc). And the good news is that you don’t have to buy a premium software utility, because thanks to a great (and free) open-source tool called ‘Avidemux’, you can save the audio & video out of sync setting permanently for a lots of video & audio codecs (HD, Blu-ray or even 4K videos!) and container formats (MP4, MKV, FLV, MPEG, AVI etc). ![]() Therefore, the most ideal solution is to use a video syncing (synchronization) software to fix it. The problem with that method however is that it only saves the sync setting temporarily, and it will be lost the next time you play it. In any case, the good news is, depending on the OS platform that you are using, there are powerful software multimedia players (VLC, KMPlayer, MPLayer etc) that give you the ability to manually adjust the sync (video or audio) setting, thus you can enjoy the multimedia files without such issues. If it’s hardware based, you should be looking elsewhere. But this method that I’m going to show you, only works if the sync problem lies with the multimedia file. Sometimes syncing issues are also caused by audio hardware devices (sound cards, amplifiers or even buggy headphones etc). This is a pretty common issue in multimedia files and there are many reasons behind its existence, but for keeping the article clear and simple so that anyone can understand its context without having to go through boring technical details, I will not mention them. If the synchronization value is incorrect, then the audio (or the video) is going to be played early or with a delay, compared to the other, which is commonly known as ‘lip-sync’ errors, and it jeopardizes all the excitement, obviously.įor instance, while watching a movie, if you have ever come across situations like gunshot firing sounds coming out before its video scene is displayed, then that is due to an improper audio to video sync. To solve this problem, we can use some third-party converting program such as Pavtube iMedia Converter for Mac to encode iMovie project to AIC(Apple Intermediate Codec), which features high performance and quality, being less processor intensive to work with than other editing formats.‘ Audio to video synchronization‘ is an extremely important aspect of a multimedia file, because when playing, multimedia players rely on it for properly synchronizing the audio and the video tracks. We can easily fixed the first seven issues by ourselves, if there are still no sound in your iMovie project, the problems must be result from the last issue, which means that the some of the video clips you have imported to iMovie are in the MPEG-1 format. MPEG-1 clips will lose audio when you export them as part of your iMovie project. Check to see if any of the video clips you have imported are in the MPEG-1 format. Note: The tilde (~) represents your Home directory.Ĩ. If not, check with the manufacturer of the disabled plugin to see if an update is available. ![]() Remove them if present, log out, and log back in. Check /Library/QuickTime/ and ~/Library/QuickTime/ for any third-party plugins. Check the documentation that came with your converter for more information.ħ. If you are using an analog to DV converter instead of a camera, make sure the audio connections are good between your VCR or other analog device and the converter. Play the newly imported footage and see if you now have audio.Ħ. Quit and reopen iMovie, then reimport the footage. Quit and reopen iMovie, then check the clip to see if it now plays with audio.ĥ. ![]() Make sure the computer's audio is not muted.Ĥ. See if the volume in iMovie is set to its lowest, if this is the case, set the volume slider to maximum.ģ. Make sure the audio track has not been muted in the timeline.Ģ. If your iMovie project appears to be missing one or more audio tracks when you play, import, or export a project, try these steps first:ġ. There must just be some bug somewhere that is messing things up." Is there anything I can do to jolt iMovie to rescan or reimport the contents of the event so that I may work with the files without audio issues? Of note, at the time the files were imported into iMovie everything was fine. When I reveal the clip in the finder there is no problem at all with the clip. But there is sound on other events, and there is sometimes sound in the projects that used the events. "I am having an issue with iMovie 11 audio, one of my event libraries has been somehow compromised and when I playback the video there is no sound. ![]()
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