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I need a script that can add a short audio watermark throughout an MP3 file at designated intervals like every 12 seconds.
This is for audio previews of music that need some kind of protection embedded into the music such as someone saying "preview" every 12 seconds.
It is essentially mixing two audio files together but one would be a in loop so it repeats over the other one.
It has to run as a shell script on the server and work on existing MP3 files in a directory. It should output the same MP3 files with the same name in a subdirectory.
I found a script online that almost does what I want but I need it customized to my needs. Here is the URL for the script
Let me know if you have any questions before bidding and if you do bid on this please post something other than "we can do this!" to give me confidence in your understanding of the task.
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