sox
sox
TLDR
Merge two audio files into one
$ sox -m [input_audiofile1] [input_audiofile2] [output_audiofile]
Trim an audio file to the specified times
$ sox [input_audiofile] [output_audiofile] trim [start] [end]
Normalize an audio file (adjust volume to the maximum peak level, without clipping)
$ sox --norm [input_audiofile] [output_audiofile]
Reverse and save an audio file
$ sox [input_audiofile] [output_audiofile] reverse
Print statistical data of an audio file
$ sox [input_audiofile] -n stat
Increase the volume of an audio file by 2x
$ sox -v 2.0 [input_audiofile] [output_audiofile]
