| Codec | Bitrate | Bandwidth | Complexity | Deep Voice (32sec) | Deep Voice + Noise (35 sec) | High Voice | High Voice + Noise (49 sec) | Generic Rock (51 sec) |
|---|---|---|---|---|---|---|---|---|
| wav | ~ | ~ | ~ | 2930 | 2990 | 4560 | 4330 | 6620 |
| opus | 64 kbps | wide | 10 | 304 | 271 | 456 | 390 | 293 |
| opus | 32 kbps | wide | 10 | 113 | 131 | 170 | 190 | 137 |
| opus | 16 kbps | wide | 10 | 59.1 | 68.5 | 89.7 | 98.4 | 71.6 |
| opus | 12 kbps | wide | 10 | 45.4 | 51.8 | 69.4 | 74.7 | 54.5 |
| opus | 12 kbps | wide | 5 | 45 | 50.4 | 68.4 | 72.5 | 53.5 |
| opus | 12 kbps | narrow | 5 | 49 | 54.5 | 76.2 | 78.6 | 60.2 |
| opus | 6 kbps | wide | 10 | 25.9 | 26.9 | 41 | 39.3 | 30.6 |
| opus | 6 kbps | wide | 5 | 25.6 | 26.4 | 40.1 | 38.6 | 30.2 |
| opus | 6 kbps | narrow | 5 | 25.4 | 28.2 | 36.4 | 40.7 | 31.2 |
| speex | 64 kbps | wide | 10 | 165 | 166 | 256 | 242 | 126 |
| speex | 32 kbps | wide | 10 | 95.2 | 109 | 145 | 158 | 108 |
| speex | 12 kbps | wide | 10 | 36.3 | 42.4 | 55.7 | 51.1 | 54.3 |
| speex | 4 kbps | wide | 10 | 22.5 | 25 | 34.9 | 36 | 35.3 |
| codec2 | 3200bps | default | n/a | 12.7 | 14.1 | 19.9 | 20.4 | 15.5 |
| codec2 | 1200bps | default | n/a | 4.74 | f | 7.47 | f | f |
| codec2 | 450bps | default | n/a | 2.4 | f | 3.73 | f | f |