 In fact, it is possible to accommodate any rate between 32 kbit/s and 64 kbit/s by steps of 4 kbit/s.Moreover, the codec can also provide higher rates than 64 kbit/s and up to 128 kbit/s.Amendment 1 of the ITU-T G.719 specification defined the use of the ISO base media file format (ISO/IEC 14496-12 a.k.a.