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Sponsored by PelikanCam.com Home | Checklist | Technical Notes | Glossary | Question? |
| About SDI & SMPTE |
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SDI (Serial Digital Interface) is a format for transmitting video over cable, being standardized by SMPTE (Society of Motion Picture and Television Engineers). These standards are especially used for transmission of uncompressed, unencrypted digital video signals (optionally including embedded Audio and/or Time Code) within television facilities. |
| Standard | Name | Bitrates | Example Video |
|---|---|---|---|
| SMPTE 259M | SD-SDI | 270 Mbit/s, 360 Mbit/s, 143 Mbit/s, and 177 Mbit/s | 480i, 576i |
| SMPTE 344M | ED-SDI | 540 Mbit/s | 480p, 576p |
| SMPTE 292M | HD-SDI | 1.485 Gbit/s, and 1.485/1.001 Gbit/s | 720p, 1080i |
| SMPTE 372M | Dual Link HD-SDI | 2.970 Gbit/s, and 2.970/1.001 Gbit/s | 1080p |
| SMPTE 424M | 3G-SDI | 2.970 Gbit/s, and 2.970/1.001 Gbit/s | 1080p |
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