A cocktail party of 3D-printed robot heads: Human simulators that talk and listen to each other facilitate research on the head's acoustic properties for better-designed audio devices.

Imagine a cocktail party full of 3D-printed, humanoid robots listening and talking to each other. That seemingly sci-fi scene is the goal of an augmented listening laboratory. With precise control over the simulated subjects, the researchers can adjust the parameters of the experiment and even set the machines in motion to simulate neck movements.

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