Kranky Geek is back for ANOTHER virtual event on Thursday, 18 November 2021. Each session will be LIVE broadcast on YouTube and there will be a real-time Q&A following each session. Sessions will be available for replay post the event. Register your interest to be kept informed.

We’re focusing (as always) on content and information with limited “talking heads” and keeping an active pace.

Kranky Geek Fall Virtual 2021

Thursday, November 18, 2021

11:00 Eastern
~10 min
Kranky Geek

Welcome to Kranky Geek

Glad to have you here, lets review what happened with WebRTC in 2021 and how is that affecting our event today and the future for all of us.

11:10 Eastern
~ 20 min

Adapting WebRTC for game streaming

Stadia presented a new challenge for YouTube live streaming because of the high bitrates and unique color spaces. We had to adapt WebRTC to be able to solve this problem.

11:30 Eastern
~ 20 min

Modern Call Signalling for WebRTC

What if WebRTC setup could be more than just ad hoc HTTP, WebSockets or SIP? Discover how Matrix designed a modern VoIP signalling open protocol specifically for WebRTC. The result? End-to-end encrypted voice and video calling in a decentralised, open federated network of 30M+ users.

11:50 Eastern
~20 min

Distributing SFUs using virtual networks

Virtual networks over the public internet are commonly used to improve routing. Learn how to leverage virtual networks to build a globally distributed SFU network that can handle a high number of callers per conference.

12:20 Eastern
~ 20 min

Screensharing made easier

While browsers have greatly improved the user experience for screen sharing, plenty of tips remain to make for a unique experience. Eliminating the famed “hall of mirrors”, improved tab/application sharing and better presenter tools will be discussed here.

12:40 Eastern
~ 20 min

Making WebRTC on the Mobile Web Wonderful

WebRTC and mobile browsers have matured to a point that it is now possible to build fully functional, web-based calling applications on mobile – no native app deployments required. In this talk, Twilio will highlight common pitfalls and review best practices for performant web apps tuned for the unique mobile web environment.

13:00 Eastern
~20 min

Optimizing real time audio for emerging use cases

The pandemic has pushed real time communications into new domains such as live events, social apps, and online education. Optimizing audio in these dynamic environments is significantly different from tuning voice quality for office meetings. In this session, will provide a deep dive on music use cases and share learnings from its research on improving audio.

13:20 Eastern
~ 20 min

Lyra - an open source AI-powered low bitrate speech codec

The audio codec team at Chrome has recently presented Lyra, a high-quality, low bit rate speech codec enabling voice communication even on the slowest networks. This was achieved by applying traditional codec techniques while leveraging recent advances in machine learning.

13:40 Eastern

Post Event: Break-out sessions

Before you go home! Wait, you’re already at home. Come meet some of the speakers in our various break out rooms for real 1:1 engagement. Registered users will receive links to join.


Many thanks to Google for 5+ years of sponsorship of Kranky Geek as we help developers build real time applications using WebRTC.
with industry supporting sponsors from

Expert speakers

Meet the great speakers at this year’s event

Dave Baker

Senior Software Engineer, Element

    Arnaud Budkiewicz

    Senior Director, Video Engineering, RingCentral

      Jan Skoglund

      Software Staff Engineer, Google

        Jamieson Brettle

        Product Manager, Google

          Ben Weekes

          Sr. Architect, Agora Inc.

            Paul Boustead

            Chief Architect, Dolby Communications Business Group

              The Kranky Geek Event is organized by

              Chad Hart


              Editor and technical blogger on WebRTC and co-organizer on this event

              Chris Koehncke


              Prolific writer & commenter on emerging communications technologies

              Tsahi Levent-Levi


              A technologist at heart, with a passion for cooking, science fiction and a zest of WebRTC

              Join the breakout sessions

              Break out links to be sent to registered attendees during course of event

              Background photo by Ernest Ojeh on Unsplash