17 February 2012 Examination of the vocal fold activity using ultra high speed filming: archival recordings by Paul Moore and Hans von Leden
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Abstract
We present excerpts from three archival ultra high-speed films on the function of the human larynx by Paul Moore, Ph. D. and Hans von Leden, M.D. The films received two awards for best scientific cinematography from two different international film festivals in Italy in 1957. These films present ultra high-speed cinematographic accounts on the workings of the human vocal folds during various phonatory and ventilatory activities. These films were captured at speeds of 2000 to 5000 frames-per-second via an ingeniously arranged laryngeal mirror viewing device. Such speeds were revolutionary six decades ago. Technology currently allows us to film laryngeal behavior at speeds of up to 16,000 frames-per-second using digital recordings. However, the ultra high-speed films by Paul and Hans remain a beacon for anyone sincerely interested in how the smallest instrument of sound production works, and how it is subjected to failure by intrinsic or extrinsic factors.
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Krzysztof Izdebski, Laura Vaughan, "Examination of the vocal fold activity using ultra high speed filming: archival recordings by Paul Moore and Hans von Leden", Proc. SPIE 8207, Photonic Therapeutics and Diagnostics VIII, 820724 (17 February 2012); doi: 10.1117/12.923672; https://doi.org/10.1117/12.923672
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