CODECs (5/6)
| SMSC | Proprietary codec | Radius |
| SMSD | Proprietary codec | Radius |
| smsv | Wavelet Video | WorldConnect |
| SP44 | This is the only FOURCC used by Sunplus codec | Logitech |
| SP54 | Sunplus Sp54 Codec for Mustek GSmart Mini 2 | Logitech |
| SPIG | Spigot | Radius |
| SPLC | Splash Studios ACM Audio Codec | splashstudios.net |
| SQZ2 | VXTreme Video Codec V2 | Microsoft |
| STV* | ST CMOS Imager Data | ST Microelectronics |
| SV10 | Video R1 | Sorenson Media |
| SVQ1 | Sorenson Video | Sorenson Media |
| SVQ3 | Sorenson Video 3 (Apple Quicktime 5) | www.sorenson.com |
| T420 | Toshiba YUV 4:2:0 | Toshiba |
| TARKIN | Tarkin - Ogg umbrella group. Discontinued |
| THEORA | Theora - Ogg umbrella group. |
| TLMS | Motion Intraframe Codec | TeraLogic |
| TLST | Motion Intraframe Codec | TeraLogic |
| TM2* | TrueMotion 2.0 | Duck Corporation |
| TMIC | Motion Intraframe Codec | TeraLogic |
| TMOT | TrueMotion S | Horizons Technology |
| TR20 | TrueMotion RT 2.0 | Duck Corporation |
| TSCC | TechSmith Screen Capture Codec | Techsmith Corp. |
| TV10 | Tecomac Low-Bit Rate Codec | Tecomac, Inc. |
| TVJP | Targa 2000 board | Pinnacle/Truevision |
| TVMJ | Targa 2000 board | Pinnacle/Truevision |
| TY0N | Tecomac Low-Bit Rate Codec | www.tecomac.com |
| TY2C | Trident Decompression Driver | Trident Microsystems |
| TY2N | | Trident Microsystems |
| U263 | UB Video H.263/H.263+/H.263++ Decoder |
| UCOD | ClearVideo | eMajix.com |
| ULTI | Ultimotion | IBM Corporation |
| UMP4 | UB Video MPEG 4 | www.ubvideo.com |
| UYNV | Same as UYVY | Nvidia |
| UYVP | YCbCr 4:2:2 extended precision | Evans & Sutherland |
| UYVY | UYVY |
| V261 | Lucent VX2000S | Lucent |
| V422 | 24-bit YUV 4:2:2 | Vitec Multimedia |
| V655 | 16-bit YUV 4:2:2 | Vitec Multimedia |
| VCRn | ATI Video Codec | ATI Technologies |
| VDCT | Video Maker Pro DIB | Vitec Multimedia |
| VDOM | VDOWave | VDONet |
| VDOW | VDOLive | VDONet |
| VDTZ | VideoTizer YUV Codec | Darim Vision Co. |
| VGPX | VGPixel Codec | Alaris |
| VIDS | YUV 4:2:2 CCIR 601 for V422 | Vitec Multimedia |
| VIFP | VFAPI Reader Codec | www.yks.ne.jp/~hori |
| VIV1 | FFmpeg H263+ decoder |
| VIV2 | Vivo H.263 | Vivo Software |
| VIVO | Vivo H.263 | Vivo Software |
| VIXL | Video XL | Miro |
| VLV1 | Videologic codec | VideoLogic |
'*' means any number/letter
'n' means any number
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