Application of the home video camera for laryngo-stroboscopy.

Muta, Hiroshi; Fukuda, Hiroyuki; Tatehara, Toko; Saito, Shigeji

doi:10.2468/jbes.37.19

Cited by 1 publication

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“…However, brighter laryngostroboscopes like the Rhino-Larynx Stroboscope Type 4914 (Bruel & Kjaer) that we employed in this clinical study are now commercially available, and it has become possible to record clear magnified slow-motion images of vocal fold vibration by laryngostrobovideography using a flexible laryngofiberscope equipped with an inexpensive home video camera. 1,2,6 In addition, attempts have been made to objectively evaluate phonatory function in diagnosing dysphonias. A device to simultaneously measure sound pitch, mean expiratory air flow volume and sound intensity on pho nation (phonation analyzer) has been developed and applied clinically.3,7…”

Section: Discussionmentioning

confidence: 99%

Laryngostrobovideography using a flexible laryngofiberscope performed in conjunction with the phonatory examination.

et al. 1990

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The phonatory examination was performed while monitoring vocal fold vibration by laryngo strobovideography. Vocal fold vibration was video-taped by a laryngostroboscope and flexible laryngo fiberscope inserted through the nasal cavity. Simultaneously, the phonatory examination was conducted with a phonation analyzer. The data were entered into a personal microcomputer via an A/D converter and analyzed to obtain the parameters of sound pitch, sound intensity and mean expiratory air flow volume, which were superimposed on the color video monitor screen. (Keio J Med 39(2): 102-105,

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Section: Discussionmentioning

confidence: 99%