I trying to encode audiobooks that I have that are multiple chapters mp3s, into a single AAC file. I know how to encode an AAC file, but how can I join and possibly decode the mp3's. I am using linux, and want to do it from the command line. Can I use mpg123 to do this?
Thanks,
CP
Full Version: How can I join and decode mp3's from command line.
SoX maybe? 
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