File Size                       : 41 MB
File Modification Date/Time     : 2013:04:23 15:54:02+02:00
File Permissions                : rw-r--r--
File Type                       : AIFC
MIME Type                       : audio/x-aiff
Format Version Time             : 1990:05:23 14:40:00
Num Channels                    : 1
Num Sample Frames               : 1257382
Sample Size                     : 0
Sample Rate                     : 16000
Compression Type                : Unknown (ima4)

sudo apt-get install ffmpeg
ffmpeg -i track1.aiff -f mp3 -acodec libmp3lame -ab 192000 -ar 44100 track1.mp3

~$ sudo apt-get install libavcodec-extra-53
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  libavutil-extra-51 libdirac-encoder0 libopencore-amrnb0 libopencore-amrwb0
  libopenjpeg2 libvo-aacenc0 libvo-amrwbenc0 libx264-123
The following packages will be REMOVED:
  libavcodec53 libavutil51
The following NEW packages will be installed:
  libavcodec-extra-53 libavutil-extra-51 libdirac-encoder0 libopencore-amrnb0
  libopencore-amrwb0 libopenjpeg2 libvo-aacenc0 libvo-amrwbenc0 libx264-123
0 upgraded, 9 newly installed, 2 to remove and 0 not upgraded.
Need to get 7,656 kB of archives.

flac [INPUTFILE]

sudo apt-get install lame

lame [inputfile]