When connecting your RØDECaster Video/RØDECaster Video S' HDMI Output to a source, such as a display or capture card, you may not initially receive any audio with the video signal.
To enable the audio over the HDMI outputs, first connect your RØDECaster Video/RØDECaster Video S to the RØDECaster App and open the Device Configuration section.
RØDECaster App: You can download the latest RØDECaster App from here.
Within the Device Configuration section choose Audio, HDMI Output and then select LIVE MIX.
After enabling audio through the HDMI Output, you should now receive both the sound and picture from your RØDECaster Video/RØDECaster Video S when connected via HDMI.
If you're still having issues with the product, please reach out to our Service Team via the contact page for further assistance.