| 1. | Pulse-amplitude modulation (PAM) | 7 | ↑ | ↓ |
| 2. | Free Lossless Audio Codec (FLAC) | 6 | ↑ | ↓ |
| 3. | Half Rate | 6 | ↑ | ↓ |
| 4. | HE-AAC | 6 | ↑ | ↓ |
| 5. | internet Speech Audio Codec (iSAC) | 6 | ↑ | ↓ |
| 6. | Audio Interchange File Format (AIFF, container format) | 5 | ↑ | ↓ |
| 7. | Code Excited Linear Prediction (CELP) | 5 | ↑ | ↓ |
| 8. | Enhanced Full Rate | 5 | ↑ | ↓ |
| 9. | G.711 (a-law and μ-law) | 5 | ↑ | ↓ |
| 10. | G.722.2 (AMR-WB) | 5 | ↑ | ↓ |
| 11. | G.723 (24 and 40 kbit/s DPCM, extension to G.721, superseded by G.726) | 5 | ↑ | ↓ |
| 12. | G.726 (ADPCM) | 5 | ↑ | ↓ |
| 13. | G.728 (LD-CELP) | 5 | ↑ | ↓ |
| 14. | G.729 (CS-ACELP) | 5 | ↑ | ↓ |
| 15. | GSM codecs: | 5 | ↑ | ↓ |
| 16. | Impala FORscene audio codec | 5 | ↑ | ↓ |
| 17. | Mp3 | 5 | ↑ | ↓ |
| 18. | MPEG audio | 5 | ↑ | ↓ |
| 19. | RTAudio - used by Microsoft Live Communication Server | 5 | ↑ | ↓ |
| 20. | Triple Rate CODER (TRC) - used in some pocket recorders. | 5 | ↑ | ↓ |
| 21. | WAV – Microsoft "WAVE" format (format supports compression, but it is rarely used) | 5 | ↑ | ↓ |
| 22. | Windows Media Audio 9 Lossless | 5 | ↑ | ↓ |
| 23. | AC3 | 4 | ↑ | ↓ |
| 24. | Adaptive Transform Acoustic Coding (ATRAC, used in MiniDisc devices) | 4 | ↑ | ↓ |
| 25. | Advanced Audio Coding (AAC, MPEG-2 and MPEG-4) | 4 | ↑ | ↓ |
| 26. | ADX | 4 | ↑ | ↓ |
| 27. | Algebraic Code Excited Linear Prediction (ACELP) | 4 | ↑ | ↓ |
| 28. | AMR-WB+ | 4 | ↑ | ↓ |
| 29. | DivX 5.2.1 Pro | 4 | ↑ | ↓ |
| 30. | Dolby Digital (A/52, AC3) | 4 | ↑ | ↓ |
| 31. | Dolby TrueHD – Optional lossless surround sound format used by HD DVD and Blu-ray, it uses MLP but adds higher sample rates, bit rates, and more channels | 4 | ↑ | ↓ |
| 32. | DTS-HD Master Audio – Optional lossless surround sound format used by HD DVD and Blu-ray, it was previously known as DTS++ and DTS-HD | 4 | ↑ | ↓ |
| 33. | Enhanced Variable Rate Codec (EVRC) | 4 | ↑ | ↓ |
| 34. | FS-1015 (LPC-10) | 4 | ↑ | ↓ |
| 35. | FS-1016 (CELP) | 4 | ↑ | ↓ |
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| 1 . 2 . 3 (35/96) |
