14 Nov '17, 3am

The Sounds of Silence? Muzo Fails to Deliver

If you fly much or work in a loud office, you know that noise-canceling headphones can be a sanity saver. Wouldn’t it be nice if you could just have noise-canceling without the headphones? Apparently, a lot of people think that’s a good idea and funded a project called Muzo. [Electroboom] borrowed one and — mystified how such a device could work — set out to test it . Along the way, in the video below, you can see him do a neat demonstration with two speakers canceling each other in his closet. Based on [Electroboom’s] tests and the tests from other users, it doesn’t appear that Muzo does much to reduce noise. It might add some noise of its own, but that’s a far cry from what people expected the unit to do. In theory, the device senses vibrations in a flat surface like a piece of glass or a table top and then vibrates the surface to oppose the noise. At least, that’s one o...

Full article: https://hackaday.com/2017/11/13/the-sounds-of-silence-muz...

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