| Code Value |
Definition |
| ANALOG VIDEO | Single video frame from an analog video camera |
| DIGITAL CAMERA | Static photograph from a digital still-image camera |
| DIGITAL VIDEO | Single video frame from a digital video camera |
| OTHER | Another source image |
| SCANNER | Single video frame from an unknown source |
| TYPE20 | Record Type-20 original source representation |
| UNKNOWN PHOTO | Static photograph from an unknown source |
| UNKNOWN VIDEO | Single video frame from an unknown source |
| UNSPECIFIED | Unspecified or unknown |
| VENDOR | Vendor specific source |