Audio CODECs
| AAC Audio Codec | Apple |
| AC3 | |
| ALF2 | |
| AVC On2 Audio for Video Codec | |
| COOK Real Cooker | |
| DivX Audio | DivX |
| DSP Group Truespeech | |
| IMC Audio Codec | Intel |
| Intel Music Codec | |
| Intel Audio Codec | |
| Lernout & Hauspie CELP and SBC codecs | |
| MLP Meridian Lossless Packing | used in DVD audio |
| Microsoft ADPCM | Microsoft |
| Microsoft Lossless Codec | |
| Microsoft Media Voice Codec | |
| Microsoft Windows Media Audio 3 | |
| MPEG Layer-3 | Microsoft |
| MSN Audio | |
| Nelly Moser codec | FLV files |
| Ogg Vorbis | Source Forge |
| QDMC/QDM2 QDesign Music codec | |
| QCLP Qualcomm PureVoice | |
| RadGameTools Smacker Audio | |
| RadGameTools Bink Audio | |
| Real Lossless Codec | |
| SIPR Real Sipr-net | |
| Sony ATRAC | Named after '8-track' |
| TAG 2000 |
| TwinVQ |
| VIA VT1612A AC'97 | VIA Technologies |
| Voxware | |
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