A long timer reader asked in the forum if I knew of a program that would be able to join mp4 files. I was not able to give the answer immediately but after a short research I found a program called Yamb which is able to join, split and create mp4, mov and 3gp files. You do need the mpeg 4 converter mp4 box because Yamb uses it for the conversions. Yamb is mainly a gui for mp4 box, the hardcore users could simply use the command line to work with mp4 box, all others should better use Yamb.You
need to add the path to mp4 box in the settings before you proceed to use some of the options that yamb offers. You may choose the creation or edition tab to use Yamb afterwards. The creation tab lets you create mp4 and 3gp files by adding other movie files such as divx ones. Created files can be further customized by splitting the output files for instance.
More important is the edition tab which lets you split and join mp4, mov and 3gp file and convert subtitles to the right format. Joining mp4 files is as easy as splitting them. Drop the files that you want to join in the correct order into yamb and select the output file. Please note that the output file has to exist, otherwise Yamb will abort the process.
Just create a blank file with the mp4 extension and everything should work out fine. Joining mp4 files is a fast process, it took Yamb 13 seconds to join two 60 megabyte mp4 files together.
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I have installed Yamb. It is very useful for me. Thank you very much for introducing a excellent software.
It shifts the sound on mp4 split. What sounds synch’ed throughall the record, is shifted in the, say, second split
Nowinter is right…messes up the order of all the files no matter what order I put them in in Yamb…I have them CORRECTLY ORDERED…YAMB combines them incorrectly.
The software is crap because:
* Can only join max of 20
* User interface is horrible
* Does not conform to correct MP4 standard
* Thus, unusable on iPod/iPhone
What more could be wrong with it?
Great & easy but the index is lost after the first file.
My sound and video were shifted as well and I had it correctly ordered in the UI. Is there any other mp4 joiners around?
How do you create a blank 3gp file?
Another useful program i know is ultra video joiner, which can join almost all video files (such as mp4 avi wmv etc) into bigger one. http://www.008soft.com/how-to-join/video-joiner.htm
How do I create a blank file with the mp4 extension?
You just make a new, empty text file then rename it with the name and extension you want the output file to have. This program only needs it as a target file to overwrite.
Does not correctly join videos no matter what order you place them in. I have found no discernible pattern in which it does combine videos.
The tag editor doesn’t even save properly.
For what I need it for, Yamb is absolutely great because of the speed. When dealing with conversion software, splitting software etc.. I’ve come to expect it to take a very long time. In my case I’m taking Youtube video stream that I’ve converted to MP4 (free online). I take episodes of a show which is seperated into 3 parts, now I can link it as one. Cleans up the iPod quite a bit, and I don’t have to keep selecting the next part to play once the first has ended.
Simple, free, does what it advertises. Yamb is awesome.
flvmerge.exe definitely works. I’ve used it to combine dozens of multi-part files.