I need a closed ANSI C++ lib of the AMR-NB vocoder (enc/dec) for windows,
there is an implementation of the encoder/decoder in the following link:
android:
http://android.git.kernel.org/?p=platform/external/opencore.git;a=tree;f=codecs_v2/audio/gsm_amr/amr_nb/common/src;h=3f7a38335c5411719321234f6aa25eb90d9c150c;hb=HEAD
also:
http://www.penguin.cz/~utx/amr