Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...

Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...

Amplifier’s ability to operate at frequencies greater than 20 gigahertz provides path forward for more scalable quantum ...

Digital transition switching is the primary cause of noise in mixed-signal devices. Signal noise and immunity to power, ground, and substrate noise all benefit from using differential circuits. Design ...

Most oscilloscopes are fitted with filters to help improve measurement by reducing overall noise in an acquisition to improve signal-to-noise ratio (SNR). Even the most basic oscilloscopes include an ...

While academic research shows high-pitched sounds in general can negatively affect pets, no studies exist that determine if, or to what extent, smart plugs specifically cause such problems. A ...

Does anyone know the cause(s) of a high frequency sound that occurs on monitors for certain screens (this seems mostly when white but not always)? It seems to happen on both my new Samsung 900IFT and ...

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