Laser-Based Audio Injection on Voice-Controllable Systems

In one of the cooler hacks we’ve seen recently, a bunch of hacking academics at the University of Michigan researched the ability to flicker a laser at audible sound frequencies to see if they could remotely operate microphones simply by shining a light on them. The results are outstanding.

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Everything Makes Sound if You Try Hard Enough

Speaker cone materials can be a deep rabbit hole ranging from inexpensive paper to kevlar. We’ve all cut apart, or blown out, the cheapies to see their inner workings, but the exotic material list does not stop at audiophile-quality models. It can include mirrors, microwave ovens, and a European hacker’s …read more

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Inexpensive acoustic projector delivers sound to moving targets

Imagine if you were a spy who needed to receive secret messages while you walked around a crowded room, but you didn’t want to wear an earpiece. Well, a cheap new device could help. It’s billed as being “the first sound projector that can tra… Continue reading Inexpensive acoustic projector delivers sound to moving targets

Creative Limitation And The Super Nintendo Sound Chips

The Super Nintendo recently experienced a surge in popularity, either from a combination of nostalgic 30-somethings recreating their childhoods, or because Nintendo released a “classic” version of this nearly-perfect video game system. Or a combination of both. But what made the system worthy of being remembered at all? With only …read more

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Building DIY Acoustic Panels To Cut Down On Echoes

Plenty of hackers and makers are passionate about content creation. In the dog-eat-ice-bucket-challenge world of online video, production value is everything. If you want to improve your audio quality then cutting down on echoes is a must, and these acoustic panels will help you to do just that. 

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