Newtek/Vizrt protocol for transporting video, audio, and metadata over standard IP networks.
Key points:
- Runs on standard Gigabit Ethernet (no special infrastructure)
- NDI|HX: Compressed version for lower bandwidth requirements
- NDI 5+: Full bandwidth, ~125Mbps for 1080p60
- Free NDI Tools package includes virtual webcam, screen capture, and monitoring
- Widely supported: PTZ cameras, vMix, OBS, Tricaster, many AV-over-IP devices
- Discovery via mDNS — devices auto-discover on same subnet