Explosions Are Pigs: 5 Weird Truths About Movie Sounds

In Evolution, there was an explosion that featured a bunch of rocks plummeting down. Normally I'd take the sound of small rocks falling and slow it down, because if we go out and trigger an avalanche to record, people tend to get mad at us. But that just wasn't working, so I found the sound of a clunky old wooden stagecoach rattling around. I could list examples all day. In A Good Year, Russell Crowe had an angry GPS, for which we jammed in a couple of vocals of attacking Samurais. Unless there's an intern who angered the director, we can't break someone's arm for a sound, so we'll use hard toffee being chewed.

An old-timey photo poof? An ax hit slowed down. Sometimes we can even get creative in a storytelling sense; in Nixon, the sound of the gap in his Oval Office tapes is the sound of water on hot coals, because I wanted to represent him burning the evidence. If you say that's some seriously deep symbolism for something nobody will ever notice, well then I'd say ...

Y-yeah. Probably.

Most people assume the sound is recorded on set, but the quality there just isn't good enough. If you've ever taken a video with your phone, you'll have a sense of the problem -- your video captures the gist of what the event sounded like, but it doesn't quite sync with your memory. The sound from the set wouldn't sound right to you. You'd be expecting to hear more.

I worked on Jackass, the whole point of which is that they really did those ridiculous stunts. But you're still not hearing what you're seeing, because the "live" sound would be really weak in a theater.

I added the vomit into a helmet, the rocket Johnny rode on, and a car they purposely screwed up, to name a few examples. Reality simply doesn't sound like Hollywood portrays it. Fights are the classic example. Big Hollywood punches have a distinct sound, almost like a whip crack:

But if you hear someone actually getting hit in real life, it's a dull, disappointing smack:

Often I'll work on a movie where the director says, "I don't want Hollywood hits! I want it to sound real!" But then we listen to it and it sounds wrong. This problem also comes up with technology. For years, cellphones in movies made hang-up and dial-tone sounds. I don't think they ever really did that, but people were so used to it from their landlines that they needed the cues. Then we ran into it with computers -- they don't actually beep and boop like they do in movies, but it seemed off if we just left them quiet. Then electric cars started in on us -- it's like reality is part of some big conspiracy to sound way lamer than it should.

Most of you are probably familiar with the Wilhelm scream, a famous sound effect that now gets used just so editors can see if they'll get away with it.

But if you start to pay attention, you'll be able to pick out other recurring sounds. After all, there are only so many sounds in the world, and libraries never throw anything away. Why would they, if we could reuse them? I've used effects that were around in Charlie Chaplin's day. There's a wind effect from 1948's Yellow Sky that gets used all the time, and it was probably made by rubbing some rough materials together. Dive-bombing planes, trolleys, sirens, fog horns, and steam trains have also survived over the years. And we all know what happens when it's a dark and stormy night:

Remember the trailer fight scene in Kill Bill 2? At one point an acoustic guitar gets used as a weapon, so my colleague and I had the idea of using the "kabong" sound from the old El Kabong cartoon. We had access to the Hanna-Barbera library, so in it went. Here's the effect:

And here's the scene:

Sadly, we can't always get away with our little jokes. In the first live-action Scooby-Doo, there's a scene where Shaggy sprays whipped cream on Scooby's jaw to make him look rabid. Then he takes the can, huffs it and makes a face like he took a little hit of the nitrous. So I went in and added a goofy, warped acid trip sound. I saw it in theaters and couldn't believe we got away with that joke in a kid's movie. We didn't: When the DVD came out, it was gone.

Dang, we would've gotten away with it, too, if it wasn't for ...

Even the most innocuous sound can be a legal nightmare. Studios have entire departments dedicated to music legality, and anything with more than one note needs to be paid for. You know how if a car blasting its stereo drives by you can hear the bass thumping? A single boom of the bass is fine. But two booms in a row? That's a melody, son, and someone owns that.

It's a major problem, because accidentally committing copyright infringement is super easy. Editors hoard sounds like your weird aunt hoards old magazines: constantly and with no idea where they originally came from. Before we went digital it was impossible to watermark sounds, so trying to track an effect's origins after a thousand long-forgotten duplications was like trying to perform parental testing by eyeballing a kid and his potential great-grandparents.

"I recognize my father's brand anywhere! Get my lawyers."

As a result, many effects libraries are full of more stolen goods than a meth-head's basement. It doesn't help that technicians moving from company to company often bring their personal libraries with them, spreading the copyrighted material around, usually without even knowing it. I'd wager that most libraries in Hollywood have at least some sounds that aren't legally theirs. It's one of those uneasy situations where nobody sues because everyone's a little guilty.

Speaking of horror, The Chamber features, well, a gas chamber, and they recorded sounds from actual prison chambers. When I listened to it I heard the ticking clock, the creaking door, the leather restraints being pulled taut ... and I thought to myself, "These are the exact sounds that people who were put to death heard in their finals moments." I was totally freaked out. It was like watching a snuff film.

The best way to sum up my job is to tell you about the time I found a great clip of an airplane taking off. It took me through the whole thing -- the engines winding up, the air pressure kicking in, the "fasten seat belt" tone. I had headphones on, and as I listened my ears popped. This ultra-realistic clip tricked me into thinking I was actually taking off on a plane. That's the power of sound. Keep that in mind the next time you watch someone vomit into a helmet.

To read more from Dino, check out Elmwood, the true story of Dino and his best friend starting a tape recorder rock band at age 13.

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For more insider perspectives, check out 7 Reasons Child Stars Go Crazy (An Insider's Perspective) and 5 Things We Learned Making The Biggest Flop In Game History.