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missing fundamental
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References
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The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.
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Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)
pulmonary veins and arteries, circulation, cardiovascular system, human anatomy, (Netter replacement project - SSC)
13 Questions About How the Human Body Works Answered
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
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Cleopatra hieroglyphic carving the Ancient Egyptian queen Cleopatra. Wall of the Temple of Horus at Edfu, Egypt.
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missing fundamental

physics
Also known as: periodicity pitch, subjective fundamental

Learn about this topic in these articles:

sound perception

  • Watch a suspended vibrating spring to learn about the propagation of sound waves
    In sound: The ear as spectrum analyzer

    This effect, known as the missing fundamental, subjective fundamental, or periodicity pitch, is used by the ear to create the fundamental in sound radiating from a small loudspeaker that is not capable of providing low frequencies.

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