In-Depth Articles | Sample Movies | Glossary of Digital Video Terms
Index of Codecs
| Video Codecs |
Web Codecs
- Sorenson Video - high-quality WWW video, requires fast computer for CD-ROM playback
- RealVideo (Standard) - main video codec for RealVideo / RealMedia
- RealVideo (Fractal) - ClearVideo codec for RealVideo
- H261 - low-quality videoconferencing
- H263 - medium-quality videoconferencing
- MPEG-4 - high-quality WWW video
- Photo-JPEG - photographic images
- ClearVideo - medium-quality WWW video, requires fast computer
- VDOLive - Server-based streaming video; scalable
- Lite VDO - Serverless streaming video
CD-ROM/DVD-ROM/Kiosk/Presentation Codecs
- Cinepak - medium-quality CD-ROM video, works on older computers
- Sorenson Video - high-quality CD-ROM video; requires fast computer
- Eidos Escape - high-quality CD-ROM video; requires high datarates
- Power!Video - high-quality CD-ROM video; requires very high datarates
- Indeo 3 - medium-quality CD-ROM video, works on older computers
- Indeo Video Interactive (4, 5) - high-quality CD-ROM video; requires fast computer
- Apple Video - very fast, but low-quality (usually for testing)
- MPEG-1 - high-quality CD-ROM video; requires special hardware or fast computer
- MPEG-2 - high-quality DVD-ROM video; requires special hardware
- Apple Animation - from HD, allows lossless fullscreen playback on very high-end systems
Hardware/Capture Codecs
- Media 100 - codec allows files to be used w/o capture hardware
- Radius VideoVision Studio - codec allows files to be used w/o capture hardware
- Avid Media Composer - codec allows files to be used w/o capture hardware
- TrueVision - codec allows files to be used w/o capture hardware
- DV Camera - New format where digitizing is done in-camera
- Apple Component Video - for capture on systems w/o JPEG hardware
Editing/Storage/Special-purpose Codecs
- Motion-JPEG (MJPEG) - general-purpose video editing & storage
- Apple Graphics - very similar to GIF; for images w/ limited colors
- Apple None - lossless, but inefficient
- Apple Animation - lossless storage
- Photo-JPEG - used at 100% as a storage/transfer format, it creates significantly smaller files than animation.
| Audio Codecs |
- IMA - 4:1 compression (usually for CD-ROM)
- MPEG layer III audio- high-quality WWW music
- QDesign Music Codec - high-quality WWW music at low datarates
- Qualcomm PureVoice - speech at 14.4 modem datarates
- G.723 - standards-based speech for videoconferencing
- RealAudio - several inter-related codec for WWW audio