Noise

ZEM Headphones Cancel Noise Without Electronics

The results: lower weight, lower price tag. Sounds good to me. Dr. Jozef Zwislocki, an audio researcher, came up with the new technique that uses a simple amplifier to cancel background noise and reproduce purer sounds for these SensGard headphones, which promise to provide up to 37 dB reduction in noise in both low and…

Tech News Christina Bonnington Jul 14

South Africa’s Soundproof Stadium For the World Cup

When the World Cup kicks off in South Africa, 69,070 soccer fans inside Cape Town Stadium will scream at the top of their lungs. But thanks to some clever engineering, the people living nearby will hear hardly a peep. The open-air stadium sits in Cape Town’s tony Green Point neighborhood, where residents had raised concerns…

Tech News Popular Science Jun 2

Nanotech Breakthrough Could Make Satellite Imaging 20x More Powerful

Take a few of my favorite subjects: quantum dots, satellites, and gold. Mix them together, and what do you get? A breakthrough from Rensselaer Polytechnic Institute that could revolutionize infrared detection. Somewhere, the Predator is jealous. What the RPI researchers have managed to do—increase detectivity in quantum dot-based IR detectors 20 times over—is particularly remarkable…

Tech News Brian Barrett May 19

Hear What It Sounds Like Under Antarctica…Live

PALAOA, the Perennial Acoustic Observatory in the Antarctic Ocean, listens to the waters below Antarctica for the sounds of whales and other marine mammals amidst a soundscape of constantly shifting ice. Here’s what they’re hearing right now. PALAOA’s Livestream page has links to the audio stream in both MP3 and OGG-Vorbis. If you’re expecting to…

Tech News Kyle VanHemert Jan 23

Ecotones Adapts to Outside Sounds to Lull You to Sleep

Traditional sound machines tend to use white noise or repetitive nature sounds to compete with the cacophony of the outside, but that only works to a certain extent. Ecotones, by Silicon Valley start up ASTI, is hoping to one-up them by actually being able to adapt to the user’s environment. You can choose from 12…

Tech News Elaine Chow Oct 31

Thingamakit DIY Synthesizer is Horribly, Wonderfully Noisy

Weird… but I kinda want to hear more. That’s roughly how I’d describe the sound output of the Thingamakit, a strange "noise monster" DIY synthesizer. I like the fact that it uses some sort of optical feedback: adjusting those tentacles affects how the sounds are generated, which then gets fed back to the LEDs in…

Gadgets Kit Eaton Jul 7

Noise-Suppressing Cellphone Chip Will Slay “Can You Hear Me Now?” Guy Forever

A new sand-grain-sized chip by Audience being demoed at MWC kills extraneous noise (better than current software-based suppression) so they can, even if it sounds like you’re skydiving at the time. Basically, this speck of silicon wonderment chills in between the mic and the cell’s circuitry, where it maps sound as a 3-D matrix, scraping…

Gadgets Matt Buchanan Feb 11

Did You Know? 500 Pairs of Disposable Earbuds = Fine Art

Half DJ and musician, half avant-garde artist, all geeky engineer, Andr Fernandes Avel s is the daddy of the Headphones art project. A one-night display in Stavanger, Norway this past month, the installation consisted of 500 pairs of earbuds tied together electronically and controlled by a mixer to create a controlled cacaphony of mind-altering sound.…

Tech News Wilson Rothman Dec 28

Intelligent Coconuts Working to Stop Airport Noise

Intelligent coconuts are the latest invention to come out of the MIT Media Lab, designed to combat excessive airport noise. They have built-in noise sensors, and will be hung on trees surrounding San Jose International Airport. When they detect a jet coming in louder than it should they use their built-in cellphone to call the…

Tech News Msparkes Aug 29

The Mysterious MacBook Pro Noise

What’s this strange noise this guy’s MacBook Pro makes? For a few days now, my Macbook Pro has been making a sound I’ve never heard before in my life. I recommend you watch the last 20 seconds. It’s not the hard drive. I sent it once to apple, they said they fixed it. But the…

Tech News Jason Chen Sep 2

Silentmaxx ST11-PRO PC Case

When we’re testing out a PC in these parts, one of the most important considerations is its noise level. The Silentmaxx ST11-PRO quiet PC case has that base covered, packed with acoustical material covering all of its insides and hushing any racket that might emanate from within. With plenty of room to install your own…

Tech News Charlie White Jul 25

ZEM Headphones Cancel Noise Without Electronics

South Africa’s Soundproof Stadium For the World Cup

Nanotech Breakthrough Could Make Satellite Imaging 20x More Powerful

Hear What It Sounds Like Under Antarctica…Live

Ecotones Adapts to Outside Sounds to Lull You to Sleep

Thingamakit DIY Synthesizer is Horribly, Wonderfully Noisy

Noise-Suppressing Cellphone Chip Will Slay “Can You Hear Me Now?” Guy Forever

Did You Know? 500 Pairs of Disposable Earbuds = Fine Art

Intelligent Coconuts Working to Stop Airport Noise

The Mysterious MacBook Pro Noise

Silentmaxx ST11-PRO PC Case

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