Articles on: Using Quortex Play

Select your input regions

When creating a new channel pool, the first thing to define is the "Input Region". In short, the rule of thumb is to select the region nearest to where your streams are being originated.

Don't panic if you don't see a region that seems to fit with that rule. Just select the nearest one, really. The SRT protocol used to ingest the streams comes with a very effective error recovery mechanism that ensures a smooth delivery of your stream over Public Internet.

Under the hoods

When defining an input region, Quortex I/O will deploy resources in that region to lower both the latency and the potential transmission errors on the link between your stream and Quortex I/O.

We are adding new regions at a regular pace. Do not hesitate to reach out to us if you think we should open a new input region for your specific needs.
The input region and the streaming regions are not related, you can choose them independently.

Troubleshoot the inputs

Once you defined an input region and created your inputs, having a look at the SRT statistics is key to understand whether the link quality is good or not.

The "SRT Dropped Packet" should always be very low, as it counts the number of lost packets after the SRT recovery took place (hence, it basically counts the number of unrecoverable packets). Having too many dropped packet is a clear indication that the link quality is low.

The SRT "Round Trip Time" is also very important and can give you a very valuable hint on how to adjust the "latency" setting of your SRT input. Having an average RTT more than half the configured latency is not recommended.

Typical round trip times should be below 200ms

Increasing the latency will give more room to the SRT protocol to recover packets, and is likely to reduce the amount of dropped packets.

Updated on: 01/03/2024

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