This annex specifies the bit-exact test sequences for the verification of the implementation of G.722.2 AMR-WB codec, voice activity detection, comfort noise generation and source controlled rate operation.

The test sequences specified in this annex were also adopted by 3GPP in 3GPP specification TS 26.174.

These test sequences are freely available on the ITU-T website. They are also available for a fee on a CD-ROM from the ITU sales department at