---
title: "Real Time Weekly #274: April 1, 2019"
description: Welcome to RealTimeWeekly! In this issue we've got two tutorials about Firebase, a great article from Janus about Simulcast, a tutorial from Pusher about React Native, Face Recognition with Raspberry Pi, and more!
image: https://blog.webrtc.ventures/hubfs/Imported_Blog_Media/RTWcover-5.png
---

[Skip to content](https://blog.webrtc.ventures/2019/04/real-time-weekly-274-april-1-2019#main-content)

![WebRTC.ventures](https://blog.webrtc.ventures/hubfs/logo-main-light.svg)

- [WebRTC Services](https://webrtc.ventures/webrtc-development-services/)
  
  Show submenu for WebRTC Services 
  
    - [Assess](https://webrtc.ventures/services/assess/)
    - [Build](https://webrtc.ventures/services/build/)
    - [Integrate](https://webrtc.ventures/services/integrate/)
    - [Test](https://webrtc.ventures/services/test/)
    - [Manage](https://webrtc.ventures/services/manage/)
    - [Migrating From Twilio Video](https://webrtc.ventures/twilio-video/)
- Our Partners
  
  Show submenu for Our Partners 
  
    - [Amazon Chime SDK](https://webrtc.ventures/partners/amazon-chime-sdk/)
- Stories of Success
  
  Show submenu for Stories of Success 
  
    - [Remote Video Interpreting Platform with Agent Routing](https://webrtc.ventures/successes/remote-video-translation-platform/)
    - [WebRTC to SIP Gateway for ASL Interpreters](https://webrtc.ventures/successes/webrtc-to-sip-gateway-for-asl-interpreters/)
    - [Audio Listening Device to Improve Surgical Outcomes](https://webrtc.ventures/successes/audio-listening-device-to-improve-surgical-outcomes/)
    - [Albania’s First Telemedicine Platform](https://webrtc.ventures/successes/albanias-first-telemedicine-platform/)
    - [Automated Video Storytelling with the Amazon Chime SDK](https://webrtc.ventures/successes/automated-video-storytelling-with-the-amazon-chime-sdk/)
    - [Large Scale Video Conferencing](https://webrtc.ventures/successes/large-scale-video-conferencing/)
    - [Broadcasting and Webcast Control Room](https://webrtc.ventures/successes/live-video-broadcasting-and-webcast-control-room/)
- WebRTC Resources
  
  Show submenu for WebRTC Resources 
  
    - [WebRTC Live](https://webrtc.ventures/webrtc-live/)
    - [WebRTC Tips](https://www.youtube.com/playlist?list=PLayYqdnyegt3QvxX-Rt6wbFIK8727Z5Oz)
    - [WebRTC.ventures Blog](https://webrtc.ventures/blog/)
    - [Migrating From Twilio Video](https://webrtc.ventures/twilio-video/)
    - [WebRTC.ventures Training Program](https://webrtc.ventures/webrtc-ventures-training-program/)
- [About Us](https://webrtc.ventures/our-team/)
  
  Show submenu for About Us 
  
    - [Blog](https://webrtc.ventures/blog/)
    - [Our Team](https://webrtc.ventures/our-team/)
    - [Jobs](https://webrtc.ventures/jobs/)

Open main navigation

Close main navigation

- [WebRTC Services](https://webrtc.ventures/webrtc-development-services/)
  
  Show submenu for WebRTC Services 
  
    - [Assess](https://webrtc.ventures/services/assess/)
    - [Build](https://webrtc.ventures/services/build/)
    - [Integrate](https://webrtc.ventures/services/integrate/)
    - [Test](https://webrtc.ventures/services/test/)
    - [Manage](https://webrtc.ventures/services/manage/)
    - [Migrating From Twilio Video](https://webrtc.ventures/twilio-video/)
- Our Partners
  
  Show submenu for Our Partners 
  
    - [Amazon Chime SDK](https://webrtc.ventures/partners/amazon-chime-sdk/)
- Stories of Success
  
  Show submenu for Stories of Success 
  
    - [Remote Video Interpreting Platform with Agent Routing](https://webrtc.ventures/successes/remote-video-translation-platform/)
    - [WebRTC to SIP Gateway for ASL Interpreters](https://webrtc.ventures/successes/webrtc-to-sip-gateway-for-asl-interpreters/)
    - [Audio Listening Device to Improve Surgical Outcomes](https://webrtc.ventures/successes/audio-listening-device-to-improve-surgical-outcomes/)
    - [Albania’s First Telemedicine Platform](https://webrtc.ventures/successes/albanias-first-telemedicine-platform/)
    - [Automated Video Storytelling with the Amazon Chime SDK](https://webrtc.ventures/successes/automated-video-storytelling-with-the-amazon-chime-sdk/)
    - [Large Scale Video Conferencing](https://webrtc.ventures/successes/large-scale-video-conferencing/)
    - [Broadcasting and Webcast Control Room](https://webrtc.ventures/successes/live-video-broadcasting-and-webcast-control-room/)
- WebRTC Resources
  
  Show submenu for WebRTC Resources 
  
    - [WebRTC Live](https://webrtc.ventures/webrtc-live/)
    - [WebRTC Tips](https://www.youtube.com/playlist?list=PLayYqdnyegt3QvxX-Rt6wbFIK8727Z5Oz)
    - [WebRTC.ventures Blog](https://webrtc.ventures/blog/)
    - [Migrating From Twilio Video](https://webrtc.ventures/twilio-video/)
    - [WebRTC.ventures Training Program](https://webrtc.ventures/webrtc-ventures-training-program/)
- [About Us](https://webrtc.ventures/our-team/)
  
  Show submenu for About Us 
  
    - [Blog](https://webrtc.ventures/blog/)
    - [Our Team](https://webrtc.ventures/our-team/)
    - [Jobs](https://webrtc.ventures/jobs/)
- [Contact us](https://webrtc.ventures/contact/)

[Contact us](https://webrtc.ventures/contact/)

 Apr 1, 2019 12:00:00 AM

# April 1st RealTimeWeekly #274

[Germán Goldenstein](https://blog.webrtc.ventures/author/germán-goldenstein)

Share: [linkedin-in icon](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.webrtc.ventures/2019/04/real-time-weekly-274-april-1-2019) [X Twitter icon](https://twitter.com/intent/tweet?url=https://blog.webrtc.ventures/2019/04/real-time-weekly-274-april-1-2019) [envelope icon](mailto:?body=https://blog.webrtc.ventures/2019/04/real-time-weekly-274-april-1-2019)

## **Real Time Weekly #274: April 1, 2019**

| In this issue we’ve got two tutorials about Firebase, a great article from Janus about Simulcast, a tutorial from Pusher about React Native, Face Recognition with Raspberry Pi, and more! If you want to publish blog posts here, propose new topics, or just want to say hello, write me directly at german@webrtc.ventures What is Firebase?  Gabe Christiansen March 23 A getting starting video tutorial to learn the basis of Firebase. Creating WhatsApp Clone Using Firebase Bilguun Batbold March 23 A tutorial of how to build an iOS chat app like WhatsApp using Firebase. Send cross-platform, cross-device native push notifications with our simple, unified API Ably March 25 Ably now supports native mobile push notifications. Simulcast and Janus: what’s new? (and where’s my SSRC?) Janus March 27 Lorenzo Miniero gives an overview to Simulcast and how it’s implemented in Janus. Creating a Live Multiplayer Quiz App in React Native Pusher March 27 How to create a quiz app which can cater to multiple users in real time for React Native using Pusher. Creating a Smart Assistant using Twilio Voice, Amazon Alexa, and Laravel Twilio March 28 A tutorial of how to create a virtual personal Assistant for Alexa using Twilio Voice SDK. \[SPONSORED\] Now Hiring a WebRTC & VOIP Developer! WebRTC.ventures March 29 WebRTC.ventures seeks remote, talented and fast-learners with experience in WebRTC and or VoIP/telephony to join our team of remote developers in building innovative communications tools for clients around the world. Real Time Face Recognition with Raspberry Pi and OpenCV Aswinth Raj March 29 How to build a Face Recognition system using the OpenCV Library on Raspberry Pi Upcoming Events  Do you have a real-time related conference coming up? Tell us about it! Email german@webrtc.ventures to be included in this listing. Custom Video Capture with OpenTok April 17, 2019 TADSummit Asia KL May 28 – 29, 2019 The Janus Conference for Janus Users. September 23 -25, 2019 TADSummit Americas, Chicago October 15 – 16, 2019 TADSummit EMEA, London November 19 – 20, 2019 If you know about any events worldwide please let us know emailing german@webrtc.ventures.  Real Time Weekly is a free service of WebRTC.ventures. If you have been forwarded this by a friend, then please sign up at RealTimeWeekly so you never miss an issue! Please send tips or suggestions to German Goldenstein, editor,  german@webrtc.ventures.  |
| --- |

[CPaaS](https://blog.webrtc.ventures/tag/cpaas), [Managed Services](https://blog.webrtc.ventures/tag/managed-services), [Events](https://blog.webrtc.ventures/tag/events), [Video Conferencing](https://blog.webrtc.ventures/tag/video-conferencing), [Real Time Weekly](https://blog.webrtc.ventures/tag/real-time-weekly), [WebRTC Architecture](https://blog.webrtc.ventures/tag/webrtc-architecture), [Broadcasting](https://blog.webrtc.ventures/tag/broadcasting), [Medical](https://blog.webrtc.ventures/tag/medical), [WebRTC Live](https://blog.webrtc.ventures/tag/webrtc-live), [Showcase](https://blog.webrtc.ventures/tag/showcase), [Thoughts](https://blog.webrtc.ventures/tag/thoughts), [Vonage](https://blog.webrtc.ventures/tag/vonage), [Daily](https://blog.webrtc.ventures/tag/daily), [Jobs](https://blog.webrtc.ventures/tag/jobs), [Contact Centers](https://blog.webrtc.ventures/tag/contact-centers), [Telehealth](https://blog.webrtc.ventures/tag/telehealth), [Education](https://blog.webrtc.ventures/tag/education), [Technical](https://blog.webrtc.ventures/tag/technical), [General](https://blog.webrtc.ventures/tag/general), [Story of success](https://blog.webrtc.ventures/tag/story-of-success), [The WebRTC.ventures Blog](https://blog.webrtc.ventures/tag/the-webrtc-ventures-blog), [Testing](https://blog.webrtc.ventures/tag/testing), [Gaming](https://blog.webrtc.ventures/tag/gaming), [DevOps](https://blog.webrtc.ventures/tag/devops), [Symbl.ai](https://blog.webrtc.ventures/tag/symbl-ai)

## Related posts

[![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/RTWcover-2-1.png?height=200&name=RTWcover-2-1.png)](https://blog.webrtc.ventures/2019/01/january-21st-realtimeweekly-264)

## [January 21st RealTimeWeekly #264](https://blog.webrtc.ventures/2019/01/january-21st-realtimeweekly-264)

[Germán Goldenstein](https://blog.webrtc.ventures/author/germán-goldenstein) 

 Jan 21, 2019 12:00:00 AM

Real Time Weekly #264: January 21, 2019 In this issue we’ve got a few articles and tutorials about...

[Read more](https://blog.webrtc.ventures/2019/01/january-21st-realtimeweekly-264)

[![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/RTWcover-1-Apr-03-2024-06-55-49-2185-PM.png?height=200&name=RTWcover-1-Apr-03-2024-06-55-49-2185-PM.png)](https://blog.webrtc.ventures/2019/01/real-time-weekly-263-january-14-2019-2)

## [January 14th RealTimeWeekly #263](https://blog.webrtc.ventures/2019/01/real-time-weekly-263-january-14-2019-2)

[Germán Goldenstein](https://blog.webrtc.ventures/author/germán-goldenstein) 

 Jan 14, 2019 12:00:00 AM

Real Time Weekly #263: January 14, 2019 In this issue we’ve got a great articles and tutorials...

[Read more](https://blog.webrtc.ventures/2019/01/real-time-weekly-263-january-14-2019-2)

[![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/RTWcover-3.png?height=200&name=RTWcover-3.png)](https://blog.webrtc.ventures/2018/11/november-26th-realtimeweekly-257)

## [November 26th RealTimeWeekly #257](https://blog.webrtc.ventures/2018/11/november-26th-realtimeweekly-257)

[Germán Goldenstein](https://blog.webrtc.ventures/author/germán-goldenstein) 

 Nov 26, 2018 12:00:00 AM

Real Time Weekly #257: November 26, 2018 Welcome to Real Time Weekly!

[Read more](https://blog.webrtc.ventures/2018/11/november-26th-realtimeweekly-257)

### WebRTC.Ventures Services

...

- Assess
- Build
- Integrate
- Test
- Deploy & Manage

### Contact Us

...

**Video should be an opportunity, not a headache.**   
 We’re here to build, integrate, assess and optimize, test, and even deploy and manage your live video application. 

[Contact us](https://blog.webrtc.ventures/2019/04/real-time-weekly-274-april-1-2019#contact)

### WebRTC Live

...

 View [past episodes](https://blog.webrtc.ventures/webrtc-live/) of our webinar interview series about the latest webRTC use cases and technical updates. Join our mailing list to learn about upcoming episodes! 

![WebRTC Live](https://blog.webrtc.ventures/hs-fs/hubfs/Template%20Images/widged-bannet.webp?height=90&name=widged-bannet.webp)

![logo-main-light](https://blog.webrtc.ventures/hubfs/logo-main-light.svg "logo-main-light")

We’re one of the few agencies in the world dedicated to WebRTC development. This dedication and experience is why so many people trust us to help bring live video application dreams to life.

 

### Let's get started!

###### **[Contact us today](https://webrtc.ventures/contact/)**

**[info@webrtc.ventures](mailto:info@webrtc.ventures)**

<https://www.linkedin.com/company/webrtc-ventures> <https://www.youtube.com/@WebrtcVentures>

### Join our mailing list

We don't e-mail often (a few times a month max), and it will be worth it when we do! Of course, we respect your privacy and will not share your contact information.

© 2023 WebRTC.ventures, an [AgilityFeat](https://agilityfeat.com/) company / [Privacy Policy](https://webrtc.ventures/privacy-policy//)

```json
{
  "@context" : "https://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Germán Goldenstein",
    "url" : "https://blog.webrtc.ventures/author/germán-goldenstein"
  },
  "dateModified" : "2024-04-03T18:08:28.829Z",
  "datePublished" : "2019-04-01T04:00:00.000Z",
  "headline" : "Real Time Weekly #274: April 1, 2019",
  "image" : [ "https://blog.webrtc.ventures/hubfs/Imported_Blog_Media/RTWcover-5.png" ],
  "mainEntityOfPage" : {
    "@id" : "https://blog.webrtc.ventures/2019/04/real-time-weekly-274-april-1-2019",
    "@type" : "WebPage"
  },
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "url" : "https://blog.webrtc.ventures/hubfs/logo-main-light.svg"
    }
  }
}
```