Sound%20and%20its%20properties

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Sound and its properties
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Vibrations are the source of all sounds
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Sound a wave motion in an elastic medium that
produces an audible sensation in a normal ear
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Parameters of Sound Waves

• Amplitude The height of the sound wave. High
  amplitude Loud sound
• Wavelength The horizontal distance between any
  two equivalent points on adjacent waves
• Frequency The number of waves occurring per
  second. Measured in Hz

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Pitch Our subjective interpretation of a sound's
frequency
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Loudness Our subjective interpretation of a
sound's intensity
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Timbre The characteristics which allow the ear
to distinguish different sounds which have the
same pitch and loudness