It's a camera-specific flavor of Dodotronic's Hi-Sound DR stereo parabolic model, and retains the transparent polycarbonate reflectors that focus sound waves to microphone capsules in a similar way to ...

Using a torch, you can easily single out an individual in a room. Likewise, a floodlight will let you illuminate a whole crowd of people. But can the same thing be done with sound? Not quite so easily ...