To use the system, a person wearing off-the-shelf headphones fitted with microphones taps a button while directing their head at someone talking. The sound waves from that speaker’s voice then should reach the microphones on both sides of the headset simultaneously;
I guess by reading the article?
I see a Python script I can run on my computer, I haven't tried it yet, but I think I could connect a microphone and process real-time audio and output it in real time, but I don’t know how to detect the user looking at someone. Could you tell me how that works?