Tag Archives: sound recording

Birthday Hydrophone and the Quest for the Shotgun Shell Grail

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My folks got me a Cold Gold hydrophone for my birthday last weekend and I’ve been having fun playing with it over the past few days.

In this example, the first two recordings are in my bathtub, the last are from a metal soup pot in my kitchen sink. I now know that there is a slow leak in the drain of my tub.
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Recording project: rolling ball friction

For my Ball-rolling game project in Unity 3d, I needed to replace the temporary engine sound I used as a placeholder. I wanted to record actual rolling friction sounds that would be modulated by the FMOD autopitch function for a more realistic experience. After a bit of experimenting with things I had around the house, I decided on using the big red marble from an optical trackball.

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First, I tried the inside of a computer case. It had a nice resonance, but I had difficulty getting more than a half-second’s worth of rolling before it smacked into the side of the lid.

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Similar to the metal lid problem, I couldn’t get much of a good roll. I found I could rock it back and forth to sustain it a little longer, but this gave it a seesaw effect of pitching up and down. Note, that this was just a quick test recording I did with the air conditioning running, so the quality is not up to snuff.

A few days later, I took inspiration from the wall of death/wheel of death motorcycle stunts. I started looking for round surfaces that I could rotate the ball around the inside of, centripetally.

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The cake carrier gave me quite a few variations in tone. I could use the clear plastic part with or without the bottom lid for different effects.

The metal pot is one that I’ve used in the past for PVKII, to impart the voice of the Heavy Knight with a ringing, metallic resonance. Whether or not the bottom of the pot was damped help give some extra tonal possibilities to the pot as well.

The watering can didn’t end up working out very well for the ball-rolling project, but I did end up sampling it as percussion for the game’s music. Look for a new video of the game project shortly.

Some recording shots

Some recording projects I’ve been messing with for PVK II and other projects.

icerecording1
To get some ice cracking and crunching sounds, I froze a bag of water to make a larger, pillow-shaped ice brick. It turned out to be less impressive of a crack than I was imagining but I was able to break it by hand and get some nice ice friction stuff out of it, at least.

oatmeal-recording

For PVK II, I needed to create some desert winds for the map Sandstorm. I already had some library recordings of wind that I liked but I needed some “sand” to add in, so I experimented with recording grainy items around the house including rice and oatmeal to try and get the right feel.

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Some veggies awaiting destruction in the name of flesh rips, stabs, and other gooshy gore noises.

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Here I am capturing some field recordings of the Key Largo shore. I usually record ambiences with the stereo mics from my Zoom H4 or H2. They also pick up a lot of background car traffic and distant boats and such so I thought I’d try track some wave crashes with a shotgun mic.