The solution proposed in the article requires a microphone, and would have a tough time dealing with multiple sources.
It basically records the room, then plays the room back via the silk sheet, but out-of-phase. Because it's out of phase, it cancels out.
The solution proposed in the article requires a microphone, and would have a tough time dealing with multiple sources.
It basically records the room, then plays the room back via the silk sheet, but out-of-phase. Because it's out of phase, it cancels out.