VK Calls: connecting thousands of people with Android and iOS using WebRTC

In this talk, guys will describe the usage of WebRTC for the group calls creation on Android and iOS clients:

– first, we will connect two participants and improve the quality of audio and video communication to the level of market leaders and better;

– we will find out why the standard screen sharing in WebRTC works poorly and how to fix it;

– we will discuss UI optimizations, noise reduction, virtual backgrounds, a beauty filter;

– further, we will determine the bottlenecks of the client SDK and develop a solution for a thousand people in one call using the example of VK Calls.

Of course, we will discuss Android and iOS specific call APIs, and the speaker will share their experience.