Jul 18, 2007

The military continues to be the catalyst for advances in acoustic technologies:

• New Sonic Blaster Ready to Scream - a competitor to the LRAD
• Sonic Beams vs. Bombs - acoustic method for identifying hidden explosives at distance

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A product you don't see everyday: Phonofone II, a new product that acoustically amplifies the output of headphones - it basically turns your headphones into a speaker. The site is short on technical details, so there's no indication of how well it actually works. More to the point, there's no information about whether the Phonofone II compensates for the diffuse-field frequency response produced by most headphones (as opposed to flat frequency response).

For $800+ USD, I wish they'd offer more data. All the same, I'd love to check it out.

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