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The characteristics of sound!


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The characteristics of sound!

  1. 1. The Characteristics of Sound!<br />
  2. 2. Loudness: the human perception of how much energy a sound wave carries<br />
  3. 3. Pitch: how high or low a sound sounds<br />(Screaming) High Pitch<br />(Whispering) Low Pitch<br />
  4. 4. Echo: reflected sound wave<br />
  5. 5. Doppler Effect: the change in frequency that occurs when a source of sound is moving relative to the listener<br />Siren on an ambulance<br />
  6. 6. Music: group of sounds that have deliberately been produced to create a regular pattern<br />
  7. 7. Natural Frequencies: frequencies at which an object will vibrate when struck or disturbed<br />A gong will vibrate and produce a loud noise based on how hard you strike it.<br />
  8. 8. Resonance: occurs when an object is made to vibrate at its natural frequencies by absorbing energy from a sound wave or another object vibrating at those frequencies<br />If you take two guitars both tuned the same and place them to where they’re sitting side by side, when you pluck the A string on one guitar you will hear the A string on the other guitar also start to vibrate.<br />
  9. 9. Fundamental Frequency: lowest frequency produced by a vibrating object<br />Your vocal cords are able to produce a low frequency sound, called whispering.<br />
  10. 10. Overtones: higher frequencies<br />Whistles are able to produce high frequencies.<br />
  11. 11. Reverberation: repeated echo of a sound<br />Thunder is an example of reverberation.<br />
  12. 12. Eardrum: a membrane that stretches across the ear canal like a drum head<br />