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The intensity of the incoming sound wave can also be transmitted through the middle ear to the inner ear and interpreted by the brain. A high intensity sound wave is characterized by vibrations of air particles with a high amplitude.
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www.physicsclassroom.com/mmedia/waves/edl.html
www.physicsclassroom.com/mmedia/waves/edl.html
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We perceive the amplitude of a sound wave as its loudness, or volume. ... To carry this concept from our pond example back to sound waves traveling through the air, this means that the air molecules that transmit the disturbance that we interpret as sound do not, on average, travel any net distance.
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www.learner.org/courses/mathilluminated/units/10/textbo...
www.learner.org/courses/mathilluminated/units/10/textbook/03.php
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For example, the softest sound humans can hear is a sound that displaces particles of air by one-billionth of a centimeter.13 The extent to which air particles move from their original resting point determines the amplitude of the sound wave (see Figure 7). The greater the amplitude of the sound wave,
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science.education.nih.gov/supplements/nih3/Hearing/guid...
science.education.nih.gov/supplements/nih3/Hearing/guide/info-hearing.htm
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sound on sound may 2000 feature about the technical basis of mp3 and perceptual coding, by paul sellars. ... It has been found, for example, that a doubling in the amplitude of a sound wave does not necessarily correspond with a doubling in the apparent loudness of the sound.
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www.soundonsound.com/sos/may00/articles/mp3.htm
www.soundonsound.com/sos/may00/articles/mp3.htm
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Amplitude: The amplitude of a sound wave is most commonly characterized by its sound pressure which is related to how loud the sound is registered to the ear. The larger the amplitude the louder the sound generated.
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mathdemos.gcsu.edu/mathdemos/trigsounddemo/trigsounddem...
mathdemos.gcsu.edu/mathdemos/trigsounddemo/trigsounddemo.html
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The sound level heard by your ears is commonly measured in decibels. When referring to sound, a decibel is used to measure the amplitude of the sound wave. Decibels are useful in measuring sound because they can represent the enormous range of sound levels the human ear can hear using a more manageable scale.
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www.apple.com/sound/
www.apple.com/sound/
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There are four main parts to a sound wave: wavelength, period, amplitude, and frequency. In this section, we will discuss each one of these parts. Also, ... The softest sound that a human can hear is the zero point. When the sound is twice as loud, the decibel level goes up by six. Humans speak normally at 60 decibels.
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library.thinkquest.org/19537/Physics3.html
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The main Measurable characteristics in sound waves are frequency, amplitude, wavelength, period and speed. The amplitude of a sound wave is related to the energy (loudness and softness) that the wave carries, and is commonly measured in decibels.
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www.didgeswedoo.com.au/didgeridoo_healing_sound.html
www.didgeswedoo.com.au/didgeridoo_healing_sound.html
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Very high frequency sound waves of between 3.5 to 7.0 megahertz (i.e. 3.5 to 7 million cycles ... It uses amplitude information from doppler signals rather than flow velocity information to visualize slow flow in smaller blood vessels. ... The complexity of some of the studies have made the observations difficult to interpret.
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www.ob-ultrasound.net/
www.ob-ultrasound.net/
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