Tiberio@debianhost1502LMi:/media/Tiberio/FiatPunto/libav$ avconv -v verbose -i ../2Lati2\ -\ Contigo.aac -acodec copy 2Lati2\ -\ Contigo-fdk.m4a
avconv version 11.3-6:11.3-3aacplus1, Copyright (c) 2000-2014 the Libav developers
  built on May 22 2015 14:28:21 with gcc 4.9.2 (Debian 4.9.2-10)
  configuration: --arch=amd64 --enable-pthreads --enable-runtime-cpudetect --extra-version='6:11.3-3aacplus1' --libdir=/usr/lib/x86_64-linux-gnu --prefix=/usr --disable-avserver --enable-bzlib --enable-libdc1394 --enable-libfreetype --enable-frei0r --enable-gnutls --enable-libgsm --enable-libmp3lame --enable-librtmp --enable-libopencv --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-vaapi --enable-vdpau --enable-libvorbis --enable-libvpx --enable-zlib --enable-gpl --enable-swscale --enable-libcdio --enable-x11grab --enable-libx264 --enable-libx265 --enable-libxvid --enable-libfdk-aac --enable-nonfree --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static
  avcodec     configuration: --arch=amd64 --enable-pthreads --enable-runtime-cpudetect --extra-version='6:11.3-3aacplus1' --libdir=/usr/lib/x86_64-linux-gnu --prefix=/usr --disable-avserver --enable-bzlib --enable-libdc1394 --enable-libfreetype --enable-frei0r --enable-gnutls --enable-libgsm --enable-libmp3lame --enable-librtmp --enable-libopencv --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-vaapi --enable-vdpau --enable-libvorbis --enable-libvpx --enable-zlib --enable-gpl --enable-swscale --enable-libcdio --enable-x11grab --enable-libx264 --enable-libx265 --enable-libxvid --enable-libfdk-aac --enable-nonfree --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static --enable-libopencore-amrnb --enable-version3 --enable-libopencore-amrwb --enable-version3 --enable-libvo-aacenc --enable-version3 --enable-libvo-amrwbenc --enable-version3
  libavutil     54.  3. 0 / 54.  3. 0
  libavcodec    56.  1. 0 / 56.  1. 0
  libavformat   56.  1. 0 / 56.  1. 0
  libavdevice   55.  0. 0 / 55.  0. 0
  libavfilter    5.  0. 0 /  5.  0. 0
  libavresample  2.  1. 0 /  2.  1. 0
  libswscale     3.  0. 0 /  3.  0. 0
[aac @ 0x1815500] get_buffer() failed
[aac @ 0x1804240] max_analyze_duration 5000000 reached
[aac @ 0x1804240] Estimating duration from bitrate, this may be inaccurate
Input #0, aac, from '../2Lati2 - Contigo.aac':
  Metadata:
    title           : Contigo
    track           : 138
    encoded_by      : Ripped with Streamripper
    artist          : 2Lati2
  Duration: 00:04:34.20, bitrate: 39 kb/s
    Stream #0.0: Audio: aac, 44100 Hz, stereo, fltp, 39 kb/s
File '2Lati2 - Contigo-fdk.m4a' already exists. Overwrite ? [y/N] y
Output #0, ipod, to '2Lati2 - Contigo-fdk.m4a':
  Metadata:
    title           : Contigo
    track           : 138
    encoded_by      : Ripped with Streamripper
    artist          : 2Lati2
    encoder         : Lavf56.1.0
    Stream #0.0: Audio: libfdk_aac, 44100 Hz, stereo, 39 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press ctrl-c to stop encoding
No more output streams to write to, finishing.
size=    1383kB time=273.67 bitrate=  41.4kbits/s
video:0kB audio:1336kB other streams:0kB global headers:0kB muxing overhead: 3.505137%
Input file #0 (../2Lati2 - Contigo.aac):
  Input stream #0:0 (audio): 5894 packets read (1368192 bytes);
  Total: 5894 packets (1368192 bytes) demuxed
Output file #0 (2Lati2 - Contigo-fdk.m4a):
  Output stream #0:0 (audio): 5894 packets muxed (1368192 bytes);
  Total: 5894 packets (1368192 bytes) muxed