Distortions playing 8kHz mp3

[Carl Eugen Hoyos]

Attached file plays fine with mplayer -ac mad, (both) FFmpeg decoders produce strong audible artefacts.

$ ffmpeg -i Test-gestoert.mp3 out.wav
ffmpeg version N-31018-gebc64dc, Copyright (c) 2000-2011 the FFmpeg developers
  built on Jun 26 2011 10:30:29 with gcc 4.5.3
  configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc
  libavutil    51. 10. 0 / 51. 10. 0
  libavcodec   53.  7. 0 / 53.  7. 0
  libavformat  53.  4. 0 / 53.  4. 0
  libavdevice  53.  1. 1 / 53.  1. 1
  libavfilter   2. 23. 0 /  2. 23. 0
  libswscale    2.  0. 0 /  2.  0. 0
[mp3 @ 0x126d400] max_analyze_duration 5000000 reached at 5040000
Input #0, mp3, from 'Test-gestoert.mp3':
  Duration: 00:00:15.19, start: 0.000000, bitrate: 27 kb/s
    Stream #0.0: Audio: mp3, 8000 Hz, mono, s16, 56 kb/s
Output #0, wav, to 'out.wav':
  Metadata:
    encoder         : Lavf53.4.0
    Stream #0.0: Audio: pcm_s16le, 8000 Hz, mono, s16, 128 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop, [?] for help
[mp3 @ 0x126f360] overread, skip -9 enddists: -8 -8
[mp3 @ 0x126f360] overread, skip -6 enddists: -2 -2
size=     237kB time=00:00:15.19 bitrate= 128.0kbits/s
video:0kB audio:237kB global headers:0kB muxing overhead 0.018102%

[Carl Eugen Hoyos]

Fixed by Kostya.