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Combine MP3 files Quickly and easily

Lev Seltzer
Lev Seltzer asked
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I manage an audio blog. Each day I get an MP3 file from the author, and need to add on an intro and outro. I can do this easily using AVS4U Audio Editor, but I want to give this job over to someone else and make it even easier for him (and if possible, I would like to avoid re-encoding the file as that takes time and can potentially lesson the quality).

Is there some program out there that can combine three MP3 files together and form a new MP3 file?
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Most Valuable Expert 2013
Commented:
I've been using and recommending MP3Merge for this for years.

Provided there are no variations in bitrate between the files you simply add them to the GUI, sort them into the order you want them to appear in the output and press "Merge".  It's super fast because effectively all you do in this process is append the files to each other.

If ID3v2 is important to you for tagging this doesn't support it but it will retain ID3v1 tags.

https://david.leighweb.com/mp3merge/ has the free download and all the instructions you could possibly need :)
ste5anSenior Developer
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Commented:
Just a comment:

Doing this with MP3 encoded data means that the result will not be a single piece of work seen from the mastering process.
As the author does the mastering before sending the file to you, why doesn't he add the intro and the outro before encoding it?

Author

Commented:
MASQ: Thank you for the direction to the program. I will download it and see if it works as advertised, but it looks perfect for my solution.

ste5an: The person who does the recording uses an MP3 recording device and uploads it immediately upon completion of his class. There is no processing done at all on his side.