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Workshop: WebRTC Trends for 2021


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A look at where R&D investments in WebRTC are headed in 2021

WebRTC use is growing, driven by the pandemic and an introduction of many new use cases and requirements.

The graph below says it best:

The percentage of page loads in Chrome using AddStream (a WebRTC API call).

One thing that is apparent now, is that the original AppRTC demo application by Google is quite outdated to today’s needs. There are certain areas where leading vendors are pushing the boundaries and trying to get their applications to outperform competition.

This online workshop focuses on these trends and how they are going to shape 2021.

The Gist

This is going to be an online workshop that will take place during February.

To keep you focused, it will be split into 3 sessions in 3 separate days.

Three 2-hour online sessions

  • Each session covering a specific topic
  • One session a week
  • Throughout the month of February

Open mic

  • Voice your opinion and ask questions during the sessions
  • A place where we can talk and discuss the subjects at hand
  • Understand together how they fit into your own company needs

What will we cover?

  • Introduce new research areas in WebRTC
  • Review real world case studies and examples
  • Discuss alternatives moving forward and how they manifest in your roadmap planning


  • All sessions will be recorded
  • You will have full access to them later on

Additional resources and materials

  • Slide deck used for each session
  • Extra reading materials and links will be provided to those who want to deepen their understanding and research in the topics discussed


Session 1: The race towards 49-gallery view

WebRTC requires lots of CPU and network resources. While writing a proof of concept or a simple application is relatively easy, figuring out how to deliver an optimized and superior user experience with it is a real challenge.

In this session we will go through the various tools available to us during the optimization process:

  • How to manage large audio or video group conferences
  • Understanding simulcast, layouts, resolutions and bitrates
  • Reviewing the WebRTC Optimization Tool Chest
  • Thinking beyond 49

Session 2: De-noising the home office

We’ve shifted to Work From Home and Work From Anywhere. While we do plan to go back to the offices, more work is going to be done outside the office from now on. This brings with it a new challenge of de-noising the environment of the users - being able to give them privacy wherever they are from what seeps through their cameras and microphones into their meetings.

In this session we will explain and see how background blurring/replacement and noise suppression are being added to WebRTC:

  • See how the WebRTC media processing pipeline operates, along with the recent addition of Breakout Box
  • Check current background blurring and replacement alternatives
  • List noise suppression solutions and architectures

Session 3: Security and video coding

Security took center stage in video conferencing in 2020 and will become important moving forward. The latest trend in the past several years is E2EE (End-to-End Encryption) and there is a specific way of implementing it in WebRTC.

Another interesting trend is the rapid growth of AV1, the new and upcoming royalty free video codec. Cisco and Google are already using it in certain areas, which begs the question - where should your focus lie in this area of video codecs?

In this session we will touch these two topics:

  • Explain Insertable Streams, SFrame and KMS
  • Understand how E2EE is implemented in WebRTC
  • Outline the technology that makes up AV1 and estimate when and where it will be available to you


This is an online workshop and I’d like to keep it small and exclusive. It will be limited to 30 participants at most.

  • $400 admission fee per person
  • 20% discount for teams of 4 participants or more

Contact me if you are interested in registering or have questions about this workshop.


The workshops take place in two optional time zones:



Session 1: Session size

3 February; 9:30-11:30am CET

3 February; 3:00-5:00pm EDT

Session 2: De-noising

10 February; 9:30-11:30am CET

10 February; 3:00-5:00pm EDT

Session 3: E2EE & AV1

17 February; 9:30-11:30am CET

17 February; 3:00-5:00pm EDT

About me

Tsahi Levent-Levi is an Independent Analyst and Consultant for WebRTC. Tsahi acts as the W3C Evangelist for everything WebRTC.

Tsahi Levent-Levi has over 20 years of experience in the telecommunications, VoIP and 3G industry as an engineer, manager, marketer and CTO. Tsahi is an entrepreneur, independent analyst and consultant, assisting companies to form a bridge between technologies and business strategy in the domain of telecommunications.

Tsahi is the author and editor of BlogGeek.me, which focuses on the ecosystem and business opportunities around WebRTC. He is also a co-founder of Kranky Geek, a conference for WebRTC for developers, sponsored by industry leaders such as Google, Intel, TokBox, Twilio and IBM.

Tsahi is also the co-founder and CEO of testRTC, a company providing self-service testing, monitoring and support solutions for WebRTC applications.

What are people saying

My pervious workshop, "WebRTC Innovation and Differentiation in a Post Pandemic World" took place about half a year ago. Here's what attendees of that workshop had to say about it:


The workshop was a great experience and had some excellent materials. The knowledge helped us to develop blueprint how to scale, where to scale and utilize our resources more efficiently. The knowledge further helped us to think about improving the performance of our app by utilizing WebRTC components in more efficient way.

The most important takeaway for me was getting the idea about general direction of WebRTC development as well as innovative projects for AI/ML which are being deployed.

The workshop was also very helpful for my colleagues and helped spark discussions about how to improve the WebRTC usage in our applications.

Parixit Kaira

Teladoc Health


Tsahi’s workshop was very insightful. His recommendations and insights were oriented towards designing practical solutions for building scalable WebRTC based video/audio solutions. His thorough understanding of WebRTC landscape – vendors/solutioning/practical challenges in designing WebRTC solutions and corresponding technological feasibility is unparalleled.

While designing any WebRTC based system one has to carefully engineer the infra and media optimizations to ensure that the system can deliver a high quality video experience with consistent throughput. Tsahi’s training covered many of those aspects in easy to follow recommendations which otherwise one can only discover by lot of trial and error.

I would recommend his courses & services for anybody planning to develop or use production quality WebRTC based video solution or is using third party CPaaS vendor API’s.

Pankaj Gupta



Thank you very much for the 3 weeks workshop on which you dove us into the WebRTC. It was really interesting and useful. I have learned a lot and look like now I have a better vision of what to do to improve UX of our calls on Doxy.me. Thanks for the records as well! I will be reviewing them from time to time to recall.

It was great! Thank you!

Andrey Abramov


Additional information