| ITU-T G.729 Annex A: reduced complexity 8 kb/s CS-ACELP codec for digital simultaneous voice and data | 41 | 4.45 | 1997 |
| Baseband speech coding at 2400 bps using "Spherical vector quantization" | 11 | 4.19 | 1984 |
| Backward Adaptive Re-Encoding - A Technique For Reducing The Bit Rate Of Mu-Law Pcm Transmissions | 1 | 0.82 | 1982 |
| A critical statistic for channels with memory | 13 | 7.10 | 1972 |
