Researchers have developed an algorithm to extract audio information from video footage. They recovered intelligible speech from a video of a potato chip bag that was shot at a distance of 15 feet behind soundproof glass. The team also obtained useful audio signals from videos of aluminum foil, the surface of a glass of water, and the leaves of a potted plant. Objects vibrate when hit by sound, creating a subtle visual signal that is usually invisible to the naked eye. The researchers sought to reconstruct the sounds causing such vibrations.Researchers Finagle Sound From Silent Video
Researchers have developed an algorithm to extract audio information from video footage. They recovered intelligible speech from a video of a potato chip bag that was shot at a distance of 15 feet behind soundproof glass. The team also obtained useful audio signals from videos of aluminum foil, the surface of a glass of water, and the leaves of a potted plant. Objects vibrate when hit by sound, creating a subtle visual signal that is usually invisible to the naked eye. The researchers sought to reconstruct the sounds causing such vibrations.
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