am 13a26677: am 5a65a6e2: Added a .amr file extractor (for AMR-NB and AMR-WB content).

Merge commit '13a26677816cf2b66b34eab2cedb0cdfe541a17c'

* commit '13a26677816cf2b66b34eab2cedb0cdfe541a17c':
  Added a .amr file extractor (for AMR-NB and AMR-WB content).