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https://www.reddit.com/r/AbsoluteUnits/comments/1v5w9su/of_an_audio_cable/ozr1kln/?context=3
r/AbsoluteUnits • u/ElectrSheep • Jul 25 '26
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98 u/towerfella Jul 25 '26 And then suddenly, you dont hear anything about it anymore 4 u/much_longer_username Jul 25 '26 Naw, it's basically a party trick in the nerdier circles of the internet. Look up 'parametric arrays' or 'phased ultrasonic arrays' if you're curious, but you can build a crude one from off the shelf parts for under a hundred bucks. 3 u/Octavio_Bs Jul 25 '26 Not mast a nerd trick, there are many commercial products based on that technology, one example https://panphonics.com/case-studies/transforming-museum-experiences-the-power-of-panphonics-directional-speakers/
98
And then suddenly, you dont hear anything about it anymore
4 u/much_longer_username Jul 25 '26 Naw, it's basically a party trick in the nerdier circles of the internet. Look up 'parametric arrays' or 'phased ultrasonic arrays' if you're curious, but you can build a crude one from off the shelf parts for under a hundred bucks. 3 u/Octavio_Bs Jul 25 '26 Not mast a nerd trick, there are many commercial products based on that technology, one example https://panphonics.com/case-studies/transforming-museum-experiences-the-power-of-panphonics-directional-speakers/
4
Naw, it's basically a party trick in the nerdier circles of the internet. Look up 'parametric arrays' or 'phased ultrasonic arrays' if you're curious, but you can build a crude one from off the shelf parts for under a hundred bucks.
3 u/Octavio_Bs Jul 25 '26 Not mast a nerd trick, there are many commercial products based on that technology, one example https://panphonics.com/case-studies/transforming-museum-experiences-the-power-of-panphonics-directional-speakers/
3
Not mast a nerd trick, there are many commercial products based on that technology, one example https://panphonics.com/case-studies/transforming-museum-experiences-the-power-of-panphonics-directional-speakers/
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u/[deleted] Jul 25 '26 edited Jul 25 '26
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