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May 1966

Improvements in Laryngeal Cinematography

Author Affiliations

From the University of California Medical Center, Los Angeles. Mr. Le Cover is at the Department of Photography, Cedars-Sinai Medical Center, Los Angeles. Dr. Ringel is now at the University of Wisconsin, Madison. Dr. Isshiki is now at the University of Kyoto, Japan.

Arch Otolaryngol. 1966;83(5):482-487. doi:10.1001/archotol.1966.00760020484016

THE VALUE OF cinematography for the study of laryngeal function has been well established, and cinematographic research has added significant contributions to our knowledge of laryngeal physiology. Laryngeal photography via indirect laryngoscopy presents an objective visual image of the larynx in action. A photographic record of the phonating larynx at normal speed permits an unhurried study of the major laryngeal adjustments under clinical conditions. The addition of synchronized sound affords an accurate comparison of the physiologic activities and the resulting acoustic signals. Ultrahigh speed motion pictures convey detailed information regarding the complex vibratory maneuvers during phonation in health and disease, and during transitory nonlinguistic phenomena such as a cough or laughter.

The impressive high speed film strips, produced by the Bell Telephone Company in 1937,1 captured the imagination of laryngologists and voice pathologists in different countries. Improvements in the photographic technique were reported in Switzerland (Luchsinger and Pfister),2