Sounds accompanying computer-animated content are usually created with recordings. Now, a new system synthesizes synchronized sound at the push of a button.

How do you make spaceships, an alien desert planet, and a giant sandworm sound realistic to people on Earth? You get creative — using your own throat, a car, and a computer glitch.

Splash, splatter, babble, sploosh, drip, drop, bloop and ploop! Those are some of the sounds that have been missing from computer graphic simulations of water and other fluids, according to ...