Alf FreeWare AudioCODECs Collection: Audio
| Windows ACM 2CC | QuickTime 4CC | Stream (kbps) | Notes | |
| Uncompressed PCM | 0x0000 0x0001 | raw twos sowt | included 2 Windows | |
| Microsoft ADPCM v.4.0 | 0x0002 | 32 - 356 | included 2 Windows | |
| Uncompressed PCM IEEE float | 0x0003 | fl32 | ||
| Microsoft CCITT G.711 A-Law & u-Law ACM v.4.0 | 0x0006 0x0007 | alaw ulaw | 56 - 696 | included 2 Windows, ex-Intel |
| Microsoft IMA ADPCM v.4.0 | 0x0011 | 32 - 356 | included 2 Windows | |
| DSP Group TrueSpeech ACM v.1.0 | 0x0022 | 16 | ||
| Microsoft GSM 6.10 ACM v.4.0 | 0x0031 | 16 - 72 | included 2 Windows | |
| Microsoft Network Audio MSN ACM v.4.0 | 0x0032 | 8 - 72 | mono only | |
| Microsoft G.723.1 ACM v.4.4.3400 | 0x0042 | 5 - 6 | stream, included 2 Windows | |
| Sharp G.726 | 0x0045 | |||
| QDesign MPEG1 Layer-1 RealTime ACM v.1.01 | 0x0050 | 8 - 384 | ||
| Fraunhofer MPEG Layer-3 ACM v.3.4.0.0 Pro | 0x0055 | .mp3 | 8 - 320 | + DirecrShow filter |
| LAME MPEG Layer-3 ACM v.3.96.1 | 0x0055 | 16 - 320 | ||
| InterVideo MPEG Layer-3 ACM v.1.1 | 0x0055 | 8 - 320 | ||
| Creative MPEG Layer-3 ACM CODEC v.5.1.1 | 0x0055 | 8 - 320 | ||
| DivX MPEG Layer-3 Encoder | 0x0055 | 128 | DirecrShow filter only | |
| Duck DK4 ADPCM | 0x0061 | IMA ADPCM | ||
| Duck DK3 ADPCM | 0x0062 | |||
| VoxWare MetaSound v.1.6.0.17 | 0x0069...0x0075 | 6 - 96 | stream, included 2 NetShow | |
| VivoActive G.723.1 & Siren v.3.0 | 0x111 0x112 | 8 - 16 | decompressor only | |
| Sipro Lab Telecom ACELP.net v.3.02 | 0x0130 | 5 - 16 | ||
| Microsoft Windows Media Audio V2 ACM v.8.0.0.4487 | 0x0160 0x0161 | 5 - 160 | ||
| Microsoft Windows Media Audio Pro v.10.0.0.3650 | 0x0161 | 48 - 940 | stream & Lossless, 24/96, 7.1 channel | |
| DivX ACM v.4.02 | 0x0160 0x0161 | hacked Microsoft WMA ACM v4.0 | ||
| Creative ADPCM v.4.0 | 0x0200 | |||
| Ulead DV ACM v.7.1 | 0x0215 0x216 | 211 | based on Sony ATRAC ? | |
| Sony ATRAC3 ACM v.1.0 | 0x0270 | 66 - 132 | same as MiniDisk LP2 | |
| Micronas InterMetall Speech MI-SC4 v.4.2.4 | 0x0350 | ADPCM | ||
| Ligos Indeo Audio v.2.05.54 | 0x0402 | 16 - 96 | DX stream | |
| Intel Music Coder ACM v.1.02 | 0x0401 | 16 - 96 | ||
| YMPEG v.3.5 | 0x0700 | 192 | ||
| Lernout & Hauspie CELP and SBC codecs | 0x1101...1104 | |||
| VoxWare ToolVox RT24 speech codec | 0x181c | decompressor only | ||
| Lucent elemedia ™ AX24000P Music CODEC v.3.8 | 0x181e | 8 - 56 | ||
| Lucent SX8300P speech CODEC v.1.0 | 0x1c07 | 16 - 48 | mono only | |
| Lucent SX5363S G.723 compliant CODEC v.1.3 | 0x1c0c | 5 - 6 | ||
| CUseeMe DigiTalk v.5.0 | 0x1f03 | 16 | ex - Rockwell, ex - WhitePine | |
| NTC ALF2CD ACM v.2.03 | 0x1FC4 | 256 - 512 | ||
| fccHandler AC-3 ACM CODEC v1.31 | 0x2000 | 32 - 6x640 | ||
| DTS | 0x2001 | |||
| FFmpeg Sonic | 0x2048 | |||
| makeAVIS | 0x3313 | 2 | ffvfw fake AVI sound from AviSynth scripts | |
| LEAD Speech v.1.0.1 | 0x434C | 2 - 32 | DirectShow | |
| FFmpeg's ADPCM Flash-variant | 0x5346 | |||
| LEAD Vorbis v.1.0.102 | 0x564c | 10 - 780 | DirectShow | |
| Ogg Vorbis ACM v.0.0.3.6 | 0x674f...0x6771 | 48 - 350 | + DirectShow, + QuickTime | |
| FAAD AAC (MPEG2/MPEG4 Audio) | 0x706D | |||
| DebugMode FrameServer ACM Codec v.1.0 | 0xDFAC | 3200 | for Premiere, Vegas, UMSP FrameServer | |
| Uncompressed DVD/VOB LPCM | 0x10001 | |||
| Canopus DV ACM v.1.1 | ? | based on Sony ATRAC ? | ||
| Thompson MP3PRO v.1.1 | ? | 40 - 150 | ||
| QDesign Music v.2.0 | QDM2 | 8 -16 | stream | |
| Apple QuickTime uncompressed Kodak CX6320 | NONE | |||
| Macintosh Audio Compression and Expansion 3:1 | MAC3 | |||
| Macintosh Audio Compression and Expansion 6:1 | MAC6 | |||
| RealAudio 1.0 | 14_4 | 14 | ||
| RealAudio 2.0 | 28_8 | 28 | ||
| RealAudio Sipro | sipr | |||
| RealAudio ATRAC3 | atrc | |||
| RealPlayer 10 COOK 5.1 audio | cook |