The sounds of a piggy bank being smashed include the initial fracture and the clattering of ceramic shards and coins hitting the floor. Cornell computer scientists are synthesizing these sounds to match computer-animated images.
A delicate wine glass shatters on the floor. A rock is thrown through a window. A child smashes his piggy bank. Dramatic moments like these in an animated movie or video game or some future virtual reality won't seem realistic unless the sound matches the action. Cornell computer scientists are developing technology to synthesize the sounds that go with computer-animated images of brittle materials being smashed. Their methods look at the computer graphic model that underlies the animation, figure out how a corresponding real object would vibrate when fractured, and how that vibration would create sound. For years, filmmakers have dubbed in recorded sound, but it is difficult to get it to match the action.
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