Here's Why We'll Hear Those Tennis Grunts at the London Olympics [Olympics]

The thwack of an arrow hitting a target. The splash of a swimmer diving into the pool. The clap of a sprinter's feet hitting the track. Those are some of the noises you'll hear broadcast through your TV when the London Olympics kick off next Friday. But you're not just hearing those signature sounds of sport naturally—in fact, it takes an immense amount of movie-caliber production. More »

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