High Speed Motion Pictures of the Human Vocal Cords

Duration: 33

Year Published: 1928

Format: 16mm

Color: B&W

Description: Shows by means of slow motion the operation of the vocal cords. Explains that phonation may be started in several different ways. Gives views of the apparatus used in taking the pictures, and shows the subject and operator. Illustrates by animation the location of the larynx and vocal cords. Gives examples of the action of the vocal cords photographed at three different speeds. Explains vibration pattern changes, pitch, and volume and looks at two artificial means of changing the vocal resonance.

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Indiana University Library Moving Image Archive

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