What are the most important features available with Video Transport?
Thanks to a network of handshake servers and a built-in NAT traversal feature, all nodes available within a Publisher ID are discovered automatically. In most conditions, no network configuration is required to transmit live video between locations.
In addition to being really low, transmission latency can be configured and even fixed:
- Real-time latency. In good conditions the technology is capable of bringing latency down to 50-150 msec, which makes the technology applicable for video conferencing. To be used when latency is more important than video quality (network issues can lead to frame drops).
- Predictable reliability. If quality is important, a higher latency setting can be used. More latency gives our protocol time for error correction (to resend the missing frames and restore the image).
The newest versions of Video Transport include our implementation of the Reed-Solomon Forward Error Correction (FEC) algorithm.
When collaborating with someone who shouldn't have access to all the feeds available under your Publisher ID, use the Partner License to share a specific feed.
Video Transport natively supports NDI video with alpha channel transparency data – you can transport both video and graphics (fill & key) in a single stream.
When providing return feeds to speakers, it's often convenient to embed multiple audio feeds and allow the speaker to choose just the right audio feed for him (learn more in our guide for mix-minus routing). Video Transport supports up to 16 audio channels within a single feed.