/usr/local/bin/ffmpeg -y -i audioStream_1368645639860_86.flv -f ogg -acodec libvorbis -ab 22050 out.ogg
ffmpeg version N-53112-gd686517 Copyright (c) 2000-2013 the FFmpeg developers
  built on May 16 2013 05:24:51 with gcc 4.6 (Debian 4.6.3-1)
  configuration: --prefix=/root/ffmpeg-static/64bit --extra-cflags='-I/root/ffmpeg-static/64bit/include -static' --extra-ldflags='-L/root/ffmpeg-static/64bit/lib -static' --extra-libs='-lxml2 -lexpat -lfreetype' --enable-static --disable-shared --disable-ffserver --disable-doc --enable-bzlib --enable-zlib --enable-postproc --enable-runtime-cpudetect --enable-libx264 --enable-gpl --enable-libtheora --enable-libvorbis --enable-libmp3lame --enable-gray --enable-libass --enable-libfreetype --enable-libopenjpeg --enable-libspeex --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-version3 --enable-libvpx
  libavutil      52. 32.100 / 52. 32.100
  libavcodec     55.  9.100 / 55.  9.100
  libavformat    55.  7.100 / 55.  7.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 68.101 /  3. 68.101
  libswscale      2.  3.100 /  2.  3.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  3.100 / 52.  3.100
[flv @ 0x2782020] max_analyze_duration 5000000 reached at 5014000 microseconds
[flv @ 0x2782020] Could not find codec parameters for stream 0 (Video: none): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, flv, from 'audioStream_1368645639860_86.flv':
  Metadata:
    creationdate    : Wed May 15 12:15:49
  Duration: 00:03:01.85, 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, flt
[libvorbis @ 0x2792820] encoder setup failed
Output #0, ogg, to 'out.ogg':
  Metadata:
    creationdate    : Wed May 15 12:15:49
    Stream #0:0: Audio: vorbis, 5512 Hz, mono, fltp, 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