| The adaptive multirate wideband speech codec (AMR-WB) | 100 | 12.57 | 2002 |
| Description of ITU-T Recommendation G.729 Annex A: reduced complexity 8 kbit/s CS-ACELP codec. | 11 | 0.85 | 1997 |
| ITU-T G.729 Annex A: reduced complexity 8 kb/s CS-ACELP codec for digital simultaneous voice and data | 41 | 4.45 | 1997 |
| Description of GSM enhanced full rate speech codec | 3 | 0.72 | 1997 |
