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WebGPU-Based WiFi Simulator

(wifi-solver.com)
325 points jasmcole | 1 comments | 20 Oct 24 18:01 UTC | HN request time: 0.202s | source
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kristiandupont ◴[21 Oct 24 05:34 UTC] No.41900951[source]▶
I once wanted to make something similar, for sound. I wanted to create active noise cancelling "in the room", instead of via headphones. I pictured these devices combining a microphone and a speaker that you could set up in strategic location. After thinking about it for a bit, I realized that inference would cause areas with silence and others where the sound volume would be doubled. Less than ideal but still possibly interesting. But then I thought about it some more and realized that I needed to think in 3D, which makes the setup orders of magnitude more complex.

It seems like that would apply here as well, at least when looking at the effects of refraction?

replies(2): >>41903387 #>>41906455 #
1. withinboredom ◴[21 Oct 24 17:43 UTC] No.41906455[source]▶
If you had a "sound laser", you could control the waves when entering a column (think a "sound umbrella") to cancel out sounds that enter. However, this only works for "regular sounds" (as in non-directional sound, like sound from distant sources, like speakers). So, it wouldn't cancel out things like people speaking. It would be pretty useful for clubs, where at your table you can have regular speaking conversations.

I hate to mention that this is all currently patented. It's pretty "easy" to build though, but you'll have to wait a bit for all the related patents to expire or pay some licensing fees.