Have you ever been at a noisy party and still been able to pick out what the person in front of you is saying? If so, then you are intimately aware of the fact that your brain is able to solve the cocktail party problem. How does your brain separate one signal from a mixture of signals? I have no idea, but I will tell you about a half optical, half electronic system that is able to mimic that behavior. The optoelectronic system uses dynamic holography combined with non-linear electro-optics in a feedback loop to solve the cocktail party problem. By analyzing the dynamics of the feedback loop, it turns out that under certain conditions the feedback loop likes to separate signals. Moreover the system doesn’t need to know what the signals are or how they are mixed together to solve the problem. I invite you to come and find out about this truly fascinating system.