6/1/2023 0 Comments Avidemux join filesSo, what do I have to do to make sure that audio and video are in sync throughout file_1_2_3_4? Should I convert the audio sample rate of file_1 to 48 kHz? What software do I use to do this? I heard of a software tool called MP4 Joiner. Once again, starting with the file_2 portion, the audio and video go out of sync. Once again, I used Avidemux to merge file_1 with file_2_3_4 into file_1_2_3_4. The frame width, frame height, and audio sample rate remained the same. You will also need to reencode the audio to be the same sample rate. You can't just join the files together if they don't have the same framerate. So, I used Avidemux to change the frame rate on file_1 to 30 frames/second. You can do this with x264 or mencoder or one of a very large number of freeware encoding utilities. However, the audio and video go out of sync in the file_1 portion. When file_2_3_4_1 is played, the file_2_3_4 portion is OK. However, starting with the file_2 portion, the audio and video go out of sync. When file_1_2_3_4 is played, everything is OK during the file_1 portion. However, the audio and video in file_1_2_3_4 were not in sync. Then, once again using the "append" feature, I merged file_2_3 and file_4 into file_2_3_4, with the audio and video remaining in sync in file_2_3_4. Change the 'audiocodecMP3' to 'audiocodec' followed by the desired codec, if. Change the 'videocodecXvid' to 'videocodec' followed by the desired codec. In case you want to merge 2 recordings into a new recording, you can stitch multiple files into a new recording. First off, let’s see how to cut MOV video using Avidemux. Using the "append" feature in Avidemux v2.5.4, I merged file_2 and file_3 into file_2_3, with the audio and video remaining in sync in file_2_3. Change the 'C:\Program Files\Avidemux 2.5\avidemux2.exe' line if Avidemux is located somewhere other than your 'C:' drive or if you are using a different version than Avidemux 2.5. Launch the Avidemux on your computer, and click on File->Open on the left side of the menu bar in the interface of the program. I have four MP4 files called "file_1", "file_2", "file_3" and "file_4" and I wish to merge them into one file in the following order: file_1, file_2, file_3 and file_4.įile_1 has the following characteristics: frame width = 640įile_2, file_3, and file_4 each have the following characteristics: frame width = 640
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