C:\Users\CobaltUser>c:\ffmpeg -i "E:\Roll 1\XDROOT\Clip\120_0017.MXF" -filter_co
mplex "[0:a:0][0:a:1]amerge" -ac 2 d:\test.wav
ffmpeg version N-57245-gf6b56b1 Copyright (c) 2000-2013 the FFmpeg developers
  built on Oct 18 2013 18:08:17 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 47.100 / 52. 47.100
  libavcodec     55. 37.101 / 55. 37.101
  libavformat    55. 19.102 / 55. 19.102
  libavdevice    55.  4.100 / 55.  4.100
  libavfilter     3. 88.101 /  3. 88.101
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
[mxf @ 00000000024d77e0] could not resolve sub descriptor strong ref
[mxf @ 00000000024d77e0] source track 11: stream 9, no descriptor found
[mxf @ 00000000024d77e0] Stream #0: not enough frames to estimate rate; consider
 increasing probesize
[mxf @ 00000000024d77e0] Stream #9: not enough frames to estimate rate; consider
 increasing probesize
Guessed Channel Layout for  Input Stream #0.1 : mono
Guessed Channel Layout for  Input Stream #0.2 : mono
Guessed Channel Layout for  Input Stream #0.3 : mono
Guessed Channel Layout for  Input Stream #0.4 : mono
Guessed Channel Layout for  Input Stream #0.5 : mono
Guessed Channel Layout for  Input Stream #0.6 : mono
Guessed Channel Layout for  Input Stream #0.7 : mono
Guessed Channel Layout for  Input Stream #0.8 : mono
Input #0, mxf, from 'E:\Roll 1\XDROOT\Clip\120_0017.MXF':
  Metadata:
    uid             : e52ccad4-7b8e-11e3-9cdd-080046910078
    generation_uid  : e52ccade-7b8e-11e3-93df-080046910078
    company_name    : Sony
    product_name    : Mem
    product_version : 2.00
    product_uid     : cede1104-8280-11de-8a39-08004678031c
    modification_date: 2014-01-12 13:39:01
    timecode        : 01:23:45:05
  Duration: 00:04:22.12, start: 0.000000, bitrate: 124022 kb/s
    Stream #0:0: Video: h264 (High 4:2:2 Intra), yuv422p10le(pc, bt709), 1920x10
80 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 50 tbc
    Stream #0:1: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:2: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:3: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:4: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:5: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:6: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:7: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:8: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
    Stream #0:9: Data: none
File 'd:\test.wav' already exists. Overwrite ? [y/N] y
[Parsed_amerge_0 @ 00000000003ffd20] No channel layout for input 1
[Parsed_amerge_0 @ 00000000003ffd20] Input channel layouts overlap: output layou
t will be determined by the number of distinct input channels
Output #0, wav, to 'd:\test.wav':
  Metadata:
    uid             : e52ccad4-7b8e-11e3-9cdd-080046910078
    generation_uid  : e52ccade-7b8e-11e3-93df-080046910078
    company_name    : Sony
    product_name    : Mem
    product_version : 2.00
    product_uid     : cede1104-8280-11de-8a39-08004678031c
    modification_date: 2014-01-12 13:39:01
    ISMP            : 01:23:45:05
    ISFT            : Lavf55.19.102
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16
, 1536 kb/s
Stream mapping:
  Stream #0:1 (pcm_s24le) -> amerge:in0
  Stream #0:2 (pcm_s24le) -> amerge:in1
  amerge -> Stream #0:0 (pcm_s16le)
Press [q] to stop, [?] for help
size=   49148kB time=00:04:22.12 bitrate=1536.0kbits/s
video:0kB audio:49148kB subtitle:0 global headers:0kB muxing overhead 0.000199%