 
1)mp3enc 
Generates mp3 files from a wav-files.
> mp3enc <file.wav> [mp3 bitrate] [mp3 quality]
file.wav : source file. 
mp3 bitrate : the bitrate in kbit/s (default value is 128 kbit/s)
mp3 quality : 0..9 (default value is 2)

2)mp3reenc
Reencodes mp3 files with e.g. a different bitrate
> mp3reenc <infile.mp3> <outfile.mp3> [-b mp3bitrate] [-v] [-h]
Options:
-b	Set bitrate (kBit/s)
-v	verbose
-h	Print help
