"Sensaura 3D speaker technology" . . . . "Sensaura's" . "Sensaura 3D Positional Audio" . "Sensaura" . . . "Acquired byCreative Technologyand merged with3Dlabs, now dissolved" . "Sensaura" . . . . . . . . . . . . . . . . . . . . . . . "1991" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .