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Harmonics

Harmonics. Simple Harmonic Motion. Vibration about an equilibrium position in which a restoring force is proportional to the displacement from equilibrium. Harmonics is a the idea of simple harmonic motion applied to more complex situations involving sound. Standing Wave.

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Harmonics

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  1. Harmonics

  2. Simple Harmonic Motion • Vibration about an equilibrium position in which a restoring force is proportional to the displacement from equilibrium. • Harmonics is a the idea of simple harmonic motion applied to more complex situations involving sound.

  3. Standing Wave • A wave pattern that results when two waves of the same frequency, wavelength, and amplitude travel in opposite directions and interfere. • What is a stringed instrument? • A fixed boundary with two nodes.

  4. Understanding Waves in Strings • Fundamental Frequency-The lowest frequency of vibration of a standing wave. • Harmonic Series-a series of frequencies that includes the fundamental frequency and integral multiples of the fundamental frequency. • Relates wavelength on a stringed instrument to pitch.

  5. Waves in an Air Column • Examples of sound waves in an air column…. • Organ, Flute, Clarinet • Two types Harmonic Series with an open pipe and a closed pipe. • Examples of a closed pipe. • Examples of an open pipe.

  6. Harmonics • Accounts for sound quality or timbre. • Fundamental frequency determines pitch.

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