Sound

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Sound
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Review
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What is pitch?

• How high or low the sound is.
• What is frequency?
• Frequency describes the number of waves that pass
  a fixed place in a given amount of time. The
  unit of measurement is Hertz.

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Pitch
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Which of the following is a high frequency wave?
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(No Transcript)
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Volume

• How loud or soft the sound is.
• Volume is measured in decibels.

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Overtone

• An overtone is a natural resonance or vibration
  frequency of a system.
• Sound is amplified or made louder when it
  resonates or is prolonged.

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Intensity

• The amount of energy which is transported past a
  given area of the medium per unit of time is
  known as the intensity of the sound wave.

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Timbre

• Quality of auditory sensations produced by the
  tone of a sound wave.

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Resources

• http//www.fi.edu/fellows/fellow2/apr99/soundvib.h
  tml
• http//www.ncaction.org.uk/subjects/science/profil
  e.htm
• http//www.dhs.net.ru/documentation/en/OREILLY/boo
  ks/webdesign/audio/ch02_01.htm
• http//www.glenbrook.k12.il.us/gbssci/Phys/Class/s
  ound/u11l2b.html