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Shigenobu Iwata, MD; Hans von Leden, MD

Arch Otolaryngol. 1970;91(4):346-351.

Abstract
The scientific merit of sound spectrography has been well established for the study of vocal pathology. Contour display spectrography provides even better visualization of the vocal spectrum. Voice prints permit an objective evaluation of the acoustic correlates of hoarseness, and suggest a valuable new technique for the acoustic identification of different laryngeal diseases.

Author Affiliations
Los Angeles

From the Institute of Laryngology and Voice Disorders and the University of Southern California, Los Angeles. Dr. Iwata is on leave of absence from the Department of Oto-Rhino-Laryngology, Nagoya City University, Japan.

Footnotes
Accepted for publication Jan 6, 1970.

Reprint requests to Institute of Laryngology and Voice Disorders, 11600 Wilshire Blvd, Los Angeles 90025 (Dr. von Leden).

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