ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
  built on Jun 10 2012 06:24:55 with gcc 4.7.0
  configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libdc1394 --disable-altivec --disable-armv5te --disable-armv6 --disable-vis --shlibdir=/usr/lib/x86_64-linux-gnu
  libavutil      51. 54.100 / 51. 54.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    54.  0.100 / 54.  0.100
  libavfilter     2. 77.100 /  2. 77.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Beethoven_-_Coriolan_Overture.m4a':
  Metadata:
    major_brand     : M4A 
    minor_version   : 0
    compatible_brands: M4A mp42isom
    creation_time   : 1931-03-04 10:04:59
    encoder         : X Lossless Decoder 20120407, QuickTime 7.7.1
    genre           : Classical
    artist          : Czech National Symphony Orchestra
    album_artist    : Czech National Symphony Orchestra
    album           : Musopen Kickstarter Recording Project
    composer        : Ludwig van Beethoven
  Duration: 00:08:18.70, start: 0.000000, bitrate: 1448 kb/s
    Stream #0:0(eng): Audio: alac (alac / 0x63616C61), 48000 Hz, stereo, s32, 1440 kb/s
    Metadata:
      creation_time   : 1931-03-04 10:04:59
[aformat @ 0x21ec4c0] auto-inserting filter 'auto-inserted resampler 0' between the filter 'src' and the filter 'aformat'
[aresample @ 0x21d4480] chl:stereo fmt:s32 r:48000Hz -> chl:stereo fmt:s16 r:48000Hz
Output #0, wav, to 'Beethoven_-_Coriolan_Overture.wav':
  Metadata:
    major_brand     : M4A 
    minor_version   : 0
    compatible_brands: M4A mp42isom
    creation_time   : 1931-03-04 10:04:59
    composer        : Ludwig van Beethoven
    genre           : Classical
    artist          : Czech National Symphony Orchestra
    album_artist    : Czech National Symphony Orchestra
    album           : Musopen Kickstarter Recording Project
    encoder         : Lavf54.6.100
    Stream #0:0(eng): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
    Metadata:
      creation_time   : 1931-03-04 10:04:59
Stream mapping:
  Stream #0:0 -> #0:0 (alac -> pcm_s16le)
Press [q] to stop, [?] for help
size=    6752kB time=00:00:36.09 bitrate=1532.4kbits/s    
size=   13664kB time=00:01:12.96 bitrate=1534.2kbits/s    
size=   21280kB time=00:01:53.49 bitrate=1536.0kbits/s    
size=   30624kB time=00:02:43.32 bitrate=1536.0kbits/s    
size=   41216kB time=00:03:39.90 bitrate=1535.4kbits/s    
size=   52384kB time=00:04:39.38 bitrate=1536.0kbits/s    
size=   65568kB time=00:05:49.78 bitrate=1535.6kbits/s    
size=   78976kB time=00:07:01.29 bitrate=1535.7kbits/s    
size=   92768kB time=00:08:14.84 bitrate=1535.7kbits/s    
size=   93507kB time=00:08:18.70 bitrate=1536.0kbits/s    
video:0kB audio:93507kB global headers:0kB muxing overhead 0.000048%