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by supertrope 924 days ago
This only resolves one source of delay in one ISP's network. Internet video chat is a mess because it's "best effort" at every level.

The need for <3 Mbps bitrates means tough trade offs between quality, bitrate, CPU time, and latency. Bitrate is the hardest constraint. Commodity laptops have slower CPUs or if they have 6 core CPUs they keep them clocked down when on battery. Hardware accelerated video encoding is not universal. So quality and latency are sacrificed.

Wi-Fi adds latency, especially when a laptop is on battery

To deal with NAT many video chat services relay through cloud servers adding latency.

https://hpbn.co/wifi/#measuring-and-optimizing-wifi-performa...