12/25/2023 0 Comments Use avidemux to shift soundHere is the project file generated by Avidemux 2.5.6 that I used: Is there anything I can do to get this working, or should this be considered a bug? The "Duration_FirstFrame" field says 706ms, and when setting the audio shift in Avidemux to -706ms, it appeared to be correct. Here is the MediaInfo output of one such input file. In all cases, the audio shift appeared corrected when playing the movie in Avidemux. Reported by MediaInfo as "Duration_FirstFrame" was not present (which actually makes it worse, because now the file does not even have a marker that the audio is shifted). In all cases where it did not work, the audio shift was not eliminated in the output file, and the field I tried both the CLI with a project file to generate the output video, and saving it interactively (although not all combinations of the versions mentioned above, with these two approaches). I also tried with Avidemux 2.6.14, and it did not work. I then upgraded to the latest 2.5 version (2.5.6), and it did not work either. A few weekas ago9, I used that same Avidemux version and it did not work anymore, repeatably. I'm not sure what changed, but in the past, I used Avidemnux 2.5.5+_r7664 which was able to correct the shifting. I am including the MediaInfo output of one of them, below. Some online recorders (BONG.TV in my case) generate such files with shifted audio, caused by an delayed first video frame. Very handy to correct a sync error on avi or mpeg file.I have successfully used Avidemux 2.5 in the past to correct an audio shift, and that does not work anymore. It is the only filter to work also in copy mode. This filter shifts the audio by removing the beginning or duplicating to create new sound. How does the shift filter work in Avidemux? While the results are not always guaranteed, ‘Avidemux’ has a good track record. So if you’re having lip-sync errors in one of your multimedia files, then you can try the below ‘Steps’ for a possible fix. ‘Avidemux’ also supports multiple operating systems, therefore you don’t have to be only a Windows user to use it either. Open up Avidemux, and load the video file that you want to work with.Ĭan you use Avidemux on multiple operating systems? NOTE 2: Adjust the audio settings in the Stream Studio for future clips. NOTE 1: We advise to start with a positive or negative correction of 200ms. While playing the video, experiment with the audio track synchronization until you are satisfied. How to adjust audio track synchronization in avid? When using Audio->Save audio, the audio is saved depending on the current mode. To be used, the corresponding audio codec must be present on your system. If you don’t set any filters, you will end up with a huge wav file as audio track. How does Avidemux save a WAV file?Īvidemux will first decompress the audio, then apply the filters if any. High-resolution video files take up a lot of space, and as a result it can take longer to process a video signal than an audio signal. Audio often processes a lot faster than video, particularly when it comes to 4K videos. The most common reason audio and video gets out of sync is due to audio processing speed. The issue can even be related to the HDMI cable if it is inappropriately plugged or non-working. Sometimes the broadcast could be bad or there could be a problem with your TV itself. Out-of-sync audio could mainly be related to TV sound settings. Enter a positive or negative value to correct the audio sample.Check the Shift function in the Audio output selection.Open up Avidemux, and load the video file that you want to work with.
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