one of the most frequent questions about Teams Live Event is about how to use OBS Studio as an External Encoder in Public Live Event.
The official answer is: “it’s not possible to use an External Encoder” in Public Live Events, only in Private Live Event.
In this article we’ll see how it’s possible, with the help of NewTek NDI Free Tools, to inject the OBS Studio Output as a virtual webcam source into Microsoft Teams and Public Live Events, avoiding the “External Encoder” block.
With NDI Plug-In for OBS Studio is it possible to acquire any source from other PC (with NDI Tools installed and NDI Scan Converter running) like audio, desktop and video devices connect to that PC.It’s also possible to acquire and use the video source from Professional PTZ Camera (like the Panasonic PTZ Camera Systems) directly via LAN.
With NDI Virtual Input on the same PC where OBS Studio is ruinning or on a different PC, you can acquire the OBS Output and inject it into Teams as a virtual webcam and use it in Teams Meeting and into Teams Live Event even the Public ones!
- A PC with dual monitor as Producer
- Microsoft Teams with an Enteprise License for Live Event
- OBS Studio (
- NDI Plug-In for OBS Studio (
- NewTek NDI Tools (
- Two or more webcam
- Optional: more PC with NDI Tools
Producer PC Setup
The Producer PC is where OBS Studio is running. In a simple configuration on this PC will also run Microsoft Teams.In a more complex scenario, OBS Studio and Teams could run on different PCs, both running NDI Tools.
- Download and install the latest version of OBS Studio
5. Run OBS Studio, click on Tools in the menu bar, check if “NDI Output settings” option is present. If it’s non present, you have to check the steps behind.
How to use
- On the Producer PC run OBS Studio
- Menu bar -> Tools -> NDI Output Settings -> flag Main Output
3. Prepare your scene adding sources. Note that with NDI Plug-In installed you will have a new NDI Source option.You can use it to acquire remote source from othe PCs with NDI Tools running or othe NDI native devices
4. Open Microsoft Teams (on the same PC as OBS Studio or on a different, dedicated PC) and run NDI Virtual Input
5. You will find NDI Virtual Input running in the Systray.Right click on it -> you will see the list of PCs and devices that are streaming an NDI source.You should see a line with “name of your PC” > OBSCheck it if it’s not checked yet.
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To check if everything is ok, launch a Meet Now in Teams and go to Device Settings to select the Camera source: NewTek NDI Video
As you can see in this example below the OBS Output is directly injected to Teams as a virtual camera
Tips: if you have to take audio from OBS too and not just the video, select NewTek NDI Audio as Microphone source
Test with a Public Live Event
Set it as “Public”, the “An external app or device” will become unavailable, that’s normal because external encoders are not supported in Public Live Event, but we will use NDI Tools to stream OBS as a Virtual Camera, that’s why this solution works!
Join the Teams Live Event, check the virtual camera from OBS Studio, set it in the Preview then go live!
In conclusion, this article solve a very long issue with Public Live Events and External Encoders like OBS Studio, enjoy this new opportunity!