Anyone who commutes to a big city knows how loud and distracting things can get -- whether it's the whine of a bus engine, a subway car's ca-clank or just that screaming baby seated behind you. Some ...

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People can describe noise using color, similar to how they may describe light. Two colors of noise are pink and white, which may have many potential applications, such as aiding sleep. A person can ...

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Class D audio power amplifiers, also called PWM amplifiers, have been in use for many years. Systems such as wireline telephony, where high bandwidth was not critical were the initial application of ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Lauren Dragan Lauren Dragan writes about audio tech and OTC hearing aids. She has tested ...

Noise can affect sleep for better or worse. White noise machines that emit consistent noise fall squarely in the “better” category. Constant white noise, has been shown to improve sleep quality ...

You may have heard of white noise. The steady, static-like sounds from it can drown out disturbing noises and help you sleep better. But have you heard of pink noise and brown noise? Growing research ...

When you really need in need of a good night's sleep, there's nothing more irritating than lying awake noticing every little sound, from cars passing by to your neighbor's music to your pet's midnight ...