I have an Audio file from ikegami gfpack disk, below are the media info


and here is the file location


the problem when im trying to convert the file with ffmpeg from MXF to MOV
or WAV im having a noise with the output file and also the duration of the
out file is greater that the input file.

console log:

ffmpeg.exe -f s16le -ar 48000 -ac 2 -i A2.MXF S.mov
ffmpeg version N-81555-g496d97f Copyright (c) 2000-2016 the FFmpeg
  built with gcc 5.4.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth
--enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
--enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
--enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libschroedinger --enable-libsnappy --enable-libsoxr
--enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
--enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
--enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma
--enable-decklink --enable-zlib
  libavutil      55. 29.100 / 55. 29.100
  libavcodec     57. 54.102 / 57. 54.102
  libavformat    57. 48.102 / 57. 48.102
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 60.100 /  6. 60.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
[s16le @ 0000000000d26860] Estimating duration from bitrate, this may be
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, s16le, from 'A2.MXF':
  Duration: 00:00:52.22, bitrate: 1535 kb/s
    Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
[mov @ 00000000024cc1e0] Using AVStream.codec to pass codec parameters to
muxers is deprecated, use AVStream.codecpar instead.
Output #0, mov, to 'S.mov':
    encoder         : Lavf57.48.102
    Stream #0:0: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo,
fltp, 128 kb/s
      encoder         : Lavc57.54.102 aac
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> aac (native))
Press [q] to stop, [?] for help
Multiple frames in a packet from stream 0 128.8kbits/s speed=  28x
[pcm_s16le @ 000000000250c0c0] Invalid PCM packet, data has size 2 but at
least a size of 4 was expected
Error while decoding stream #0:0: Invalid data found when processing input
size=     831kB time=00:00:52.22 bitrate= 130.4kbits/s speed=  29x
video:0kB audio:821kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 1.260752%
[aac @ 000000000250f400] Qavg: 928.617

thank you

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