wuthering, please be patient. From your original post we all did understand (me included) that the files was been deliberately damaged from someone and that they cut them into smaller pieces. The misunderstood is due to the "split" term that matches the name of a linux command made exactly for that purpose (I mean to cut a file into pieces, not to deliberately hurt you...
Now from your further explanation
Originally Posted by wuthering
for example it is a file of german class lessons but for each file , it is complete indeed but when I listen to it, it is as if it is splited
it's clear that the file is still in one piece, but you hear some glitches at different points when you listen to the audio file. Is this correct?
My suspect is that something has damaged the file during the transfer from the PC to the smartphone, but since I haven't got the minimum experience with smartphones and the related software for PC connectivity, I cannot tell for sure.
Anyway, I think your best option is to use an audio editor and try to fix (repair) the damaged files. My suggestion is to try Audacity
, which is usually available for the majority of the most common Linux distributions. Audacity offers a graphical representation of the audio track and has a lot of advanced functionalities. For example if the glitches that you hear are spikes (narrow shape) you can try to apply the "Repair effect" as explained here
. Unfortunately a clever use of Audicity requires a bit of effort to learn the basics, but it's worth the time spent. Just my
Last but not least, as a moderator of this forum it's my duty to remove the colorful language from your previous post and kindly invite you to tone down a little bit. Thank you in advance for your collaboration.