Add an HDMI/SDI audio source
- Click the
+
icon at the bottom of the Sources panel and selectAudio Input Capture
- In the
Device
dropdown, select your USB capture device - Click OK.
- Play audio from your HDMI / SDI source and you should see the volume meters moving in the Audio Mixer panel.
note
The first time you run LBS on macOS you may be prompted to grant LBS access to your microphone or sound devices. Grant the required permissions when prompted.