Dual Audio Recording

Instructions:

1. Click "Start Both" to begin capturing both audio streams
2. Play some audio on your Mac AND speak into your microphone
3. Watch the buffer sizes grow as audio is captured
4. Click "Stop Both" when done
5. Click "Play" on each card to hear what was recorded
6. System audio = other apps, Microphone = your voice

Note: You may need to grant Screen & Audio Recording permissions for system audio, and Microphone permission for mic recording.