OBS is a free streaming software that lets you organise all your audio and video sources and send your stream to Echio, like a mini TV production studio. It's widely used for every live streaming platform.
In OBS, click on “+” in the Scenes section to create a Scene. A Scene is a combination of audio, video and images (like your mic, a screen capture of Ableton, a side camera, your webcam etc...). Note that there’s always at least one scene created by default in OBS.

Click on “+” in the Sources panel to add everything you want in that scene in terms of video and sound (cameras, screen captures, image layers, audio, mic etc.).

Choose Video Capture Device.

Choose “Create New” and rename it if you want. Then :

<aside> 👉🏽 If you need help about how to use a smartphone as a webcam or connect a DSLR camera, read this. If you want recommendations about good cameras and accessories, read this.
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Choose MacOS Screen Capture (OBS version 28 and above).
