/usr/local/bin/ffmpeg -y -i audioStream_1368645639860_86.flv -f ogg -acodec libvorbis -ab 22050 out.ogg
ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
  built on May 22 2012 01:33:47 with gcc 4.4.3
  configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-x11grab --enable-libvpx --enable-libmp3lame
  libavutil      51. 35.100 / 51. 35.100
  libavcodec     53. 61.100 / 53. 61.100
  libavformat    53. 32.100 / 53. 32.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 61.100 /  2. 61.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
[flv @ 0x36fa3a0] decoding for stream 0 failed
[flv @ 0x36fa3a0] Could not find codec parameters (Video: none)
Input #0, flv, from 'audioStream_1368645639860_86.flv':
  Metadata:
    creationdate    : Wed May 15 12:15:49
  Duration: 00:03:01.84, start: 0.000000, bitrate: 13 kb/s
    Stream #0:0: Video: none, 1k tbr, 1k tbn, 1k tbc
    Stream #0:1: Audio: nellymoser, 5512 Hz, mono, s16
[libvorbis @ 0x3710680] Unable to set CBR to 22050: not supported
[libvorbis @ 0x3710680] oggvorbis_encode_init failed
Output #0, ogg, to 'out.ogg':
  Metadata:
    creationdate    : Wed May 15 12:15:49
    Stream #0:0: Audio: vorbis, 5512 Hz, mono, s16, 22 kb/s
Stream mapping:
  Stream #0:1 -> #0:0 (nellymoser -> libvorbis)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height