5/24/2023 0 Comments Avidemux join files![]() So, 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. So, I used Avidemux to change the frame rate on file_1 to 30 frames/second. I have some others that have failed with everything I have attempted. Indeed, Boilsoft's video joiner was willing to reassemble some of them perfectly. As the resolution and encoding is a match a direct stream merge should be possible. However, the audio and video go out of sync in the file_1 portion. How can I join WMV files in Windows I have several. 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. They will simply get appended to the previous part (s) and you can use the Save video function to save the joined video which contains all parts. You can cut one large file into parts and join the video clips together quickly. With Avidemux you open the first part of the video and select Append from the file menu and select all additional parts of the video this way. It has a user-friendly interface and very easy to use, no need any experience in video editing. When file_1_2_3_4 is played, everything is OK during the file_1 portion. Avidemux is a video cutter and joiner freeware for beginners to split and combine MP4, MKV, MPEG, AVI, FLV, etc, especially for MP4 files. 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. 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. 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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