why noise is high frequency?
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Consequently, noise is usually dominant at high frequencies and the signal is more dominant at lower frequencies. effect of noise is more considerable in high frequency because it contain information(high) so any small noise is considerable...
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Fireworks make a lot of noise. Noise is defined as a sound, especially a loud one. An example of a noise is the sound of fireworks.
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The damage done by noise depends mainly on how loud it is and on the length of exposure. The frequency or pitch can also have some effect, since high-pitched sounds are more damaging than low-pitched sounds. Noise may tire out the inner ear, causing temporary hearing loss.
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A greater frequency than this will produce a higher-pitched note and so on. Children will often mix up pitch and loudness believing that a higher pitched sound is a louder one. Higher pitched sounds produce waves which are closer together than for lower pitched sounds.
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As the video explains, white noise has a higher frequency and we perceive it to sound louder than it really is. ... So when the frequency is higher, the volume is lowered. Brown noise, which sounds like a low rumble or an ocean, lowers the higher frequencies even more.
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As the video explains, white noise has a higher frequency and we perceive it to sound louder than it really is. Pink noise, which they play in the video, takes this into account and balances out the frequency. ... Brown noise, which sounds like a low rumble or an ocean, lowers the higher frequencies even more.
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The electricity hum (also called the “mains hum”) emerges because electricity runs on alternating current (AC), which transposes voltage in the pattern of a sine wave. In the US, the frequency of this current is 60 Hz, which creates a tone almost exactly halfway between A♯ and B.
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White noise. White noise includes all audible frequencies. ... White noise examples include: whirring fan.
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Noise Pollution. Noise pollution can cause health problems for people and wildlife, both on land and in the sea. From traffic noise to rock concerts, loud or inescapable sounds can cause hearing loss, stress, and high blood pressure.
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When high-frequency notes are sounded (from, say, a piccolo or a violin), the notes will resonate in the smaller cavities in your body (such as your head). When low-frequency notes are sounded (say, from a double bass), the notes will resonate in the larger cavities in your body (such as your chest).
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"Loud noises trigger avalanches" Noise is simply not enough force unless it's EXTREMELY loud noise such as an explosive going off at close range. Even sonic booms or low flying helicopter trigger avalanches only in extremely unstable conditions in which natural avalanches would likely occur on their own anyway.
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When an electrical variation obeys a Gaussian distribution, such as in the case of thermal motion cited above, it is called Gaussian noise, or RANDOM NOISE. Other examples occur with some types of radio tubes or semi-conductors where the noise may be amplified to produce a noise generator.
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A low frequency sound (say, 50 hz) might sound like a low rumble, while a high frequency sound (say 12,000 hz), might sound more like a "sizzle". ... The higher the frequency, the shorter the distance between each successive compression (or rarification) in the incoming sound wave.
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Pink noise is white noise, but with reduced higher frequencies. ... Brown noise lowers the higher frequencies even more. It's a bit “rougher” than pink noise and resembles the roar of a river current or strong wind.
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Noise can be both external and internal. External noise often relates to your physical environment, such as a noisy room, as well as your physiological state. Internal noise includes psychological and semantic noise, and is how you prevent yourself from effectively delivering your message.
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The frequency of the wave is related to the intensity of the sound. The larger-frequency oscillations indicate greater pressure maxima and minima, and the pressure is higher in greater-intensity sound. The wavelength of the wave is related to the intensity of the sound.
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Jeep Wranglers with soft tops emit a lot of noise due to the wind buffeting the top and entering the top of the vehicle while driving. Although this sound isn't particularly loud when driving slow, the high speeds and wind of highway driving can be a little too noisy for some.