FFMpeg - Log konwersji

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'M42CWKBD3fU.m4a':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6mp41
    creation_time   : 2017-06-26T11:54:34.000000Z
  Duration: 00:05:26.75, start: 0.000000, bitrate: 127 kb/s
    Stream #0:0(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2017-06-26T11:54:34.000000Z
      handler_name    : SoundHandler
Output #0, wav, to 'source.wav':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6mp41
    ISFT            : Lavf57.56.101
    Stream #0:0(und): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16, 1411 kb/s (default)
    Metadata:
      creation_time   : 2017-06-26T11:54:34.000000Z
      handler_name    : SoundHandler
      encoder         : Lavc57.64.101 pcm_s16le
Stream mapping:
  Stream #0:0 -> #0:0 (aac (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
size=   56288kB time=00:05:26.75 bitrate=1411.2kbits/s speed=4.09x
video:0kB audio:56288kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000135%