Let's have a look at the key challenges Sergey faced during live broadcasting from the mountains and how he handled all of them.
The first challenge was the complete absence of any communications, including high-speed Internet, which we are used to in urban areas.
It seemed like a satellite Internet could be helpful to Sergey. He used the following equipment:
- a 0.87-meter satellite dish
- a Yamal-601 satellite (Ka band).
The power supply was provided by an inverter, as well as all the other equipment in the car.
The second challenge was that even with satellite Internet, the channel wasn’t stable and didn’t meet the data transfer rate requirements for live broadcasts.
The satellite guaranteed only 2.5 Mbps, so it was necessary to ensure maximum video transmission quality within such a small bandwidth. The solution Sergey used was HEVC (High-Efficiency Video Coding). Unlike h264, this codec can give significantly better quality at lower bitrates.
Sergey had previously carried out similar experiments, but they were less successful in terms of implementation. Nevertheless, they allowed him to gain valuable knowledge and understanding of how to succeed.
Thus, based on his experience with previous extreme live broadcasts, Sergey concluded that vMix was not very stable in terms of receiving HEVC streams, and with an unstable connection, streams can lag. As a result, he used SRTMiniServer as a proven solution for receiving SRT which is optimized for complete or temporary loss of communication and is more stable when working with HEVC.
The third challenge was to manage live broadcasting alone, with no help from others: to fully manage stable equipment and software operations during the online broadcast. Sergey successfully solved this task!