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Speakers are everywhere, whether it’s expensive, standalone sound systems, laptops, smart home devices, or cheap portables.
And while you rely on them for music or conversation, researchers have long known that commercial speakers are also physically able to emit frequencies outside of audible range for humans. …
Read more via Wired – https://ift.tt/2KF6BNQ
Get more World News
And while you rely on them for music or conversation, researchers have long known that commercial speakers are also physically able to emit frequencies outside of audible range for humans. …
Read more via Wired – https://ift.tt/2KF6BNQ
Get more World News
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