[506] ~/Desktop/Vids $ ffmpeg -i conduct-a-job-market-assessment.mov conduct-a-job-market-assessment.mp3
ffmpeg version 2.5.3 Copyright (c) 2000-2015 the FFmpeg developers
  built on Feb 10 2015 12:55:05 with Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.5.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-libfaac --enable-nonfree --enable-vda
  libavutil      54. 15.100 / 54. 15.100
  libavcodec     56. 13.100 / 56. 13.100
  libavformat    56. 15.102 / 56. 15.102
  libavdevice    56.  3.100 / 56.  3.100
  libavfilter     5.  2.103 /  5.  2.103
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'conduct-a-job-market-assessment.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 0
    compatible_brands: qt
    creation_time   : 2014-11-12 16:22:06
  Duration: 00:06:17.27, start: 0.000000, bitrate: 41132 kb/s
    Stream #0:0(und): Video: prores (ap4h / 0x68347061), yuva444p10le(bt709), 720x450, 39594 kb/s, 30 fps, 30 tbr, 600 tbn, 600 tbc (default)
    Metadata:
      creation_time   : 2014-11-12 16:22:06
      handler_name    : Core Media Data Handler
      encoder         : Apple ProRes 4444
    Stream #0:1(und): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, stereo, s16, 1536 kb/s (default)
    Metadata:
      creation_time   : 2014-11-12 16:22:06
      handler_name    : Core Media Data Handler
Output #0, mp3, to 'conduct-a-job-market-assessment.mp3':
  Metadata:
    major_brand     : qt
    minor_version   : 0
    compatible_brands: qt
    TSSE            : Lavf56.15.102
    Stream #0:0(und): Audio: mp3 (libmp3lame), 48000 Hz, stereo, s16p (default)
    Metadata:
      creation_time   : 2014-11-12 16:22:06
      handler_name    : Core Media Data Handler
      encoder         : Lavc56.13.100 libmp3lame
Stream mapping:
  Stream #0:1 -> #0:0 (pcm_s16be (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
size=    5895kB time=00:06:17.25 bitrate= 128.0kbits/s
video:0kB audio:5895kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.005400%