{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,8,10]],"date-time":"2023-08-10T05:00:43Z","timestamp":1691643643737},"reference-count":25,"publisher":"Acoustical Society of America (ASA)","issue":"3","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2012,9,1]]},"abstract":"<jats:p>High-speed videoendoscopy (HSV) enables the observation and measurement of vibratory behaviors of vocal folds by capturing the laryngeal imagery at high frame rates. The frame rates of commercially available HSVs, however, are still limited to carry out sample-based time-domain objective analyses. To mitigate the resulting lack of temporal resolution, existing studies have employed sum-of-harmonics parametric models to evaluate temporal vocal-fold behaviors. This paper focuses on the other weakness of HSV: its inherent susceptibility to temporal aliasing. Aliasing occurs when there are substantial harmonics above the Nyquist frequency of the HSV camera, and video cameras offer very little means to filter out these harmonics. Although the aliasing effect in HSV data minimally affects many of the laryngeal objective parameter measurements, some parameters, such as harmonics-to-noise ratio and derivative-based parameters, are sensitive to the aliased content. The use of a parametric model with a careful selection of the number of harmonics enables classification of the aliased harmonics as a part of the harmonic signal. Glottal area waveform examples are included to illustrate the modeling capability for cases of normal and disordered vocal folds.<\/jats:p>","DOI":"10.1121\/1.4742730","type":"journal-article","created":{"date-parts":[[2012,9,12]],"date-time":"2012-09-12T22:16:02Z","timestamp":1347488162000},"page":"1636-1645","update-policy":"http:\/\/dx.doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":9,"title":["Mitigation of temporal aliasing via harmonic modeling of laryngeal waveforms in high-speed videoendoscopy"],"prefix":"10.1121","volume":"132","author":[{"given":"Takeshi","family":"Ikuma","sequence":"first","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery, Louisiana State University Health Sciences Center , New Orleans, Louisiana 70112"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melda","family":"Kunduk","sequence":"additional","affiliation":[{"name":"Department of Communication Disorders, Louisiana State University , Baton Rouge, Louisiana 70803"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew J.","family":"McWhorter","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery, Louisiana State University Health Sciences Center , New Orleans, Louisiana 70112"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","published-online":{"date-parts":[[2012,9,12]]},"reference":[{"key":"2023080208263833100_c1","doi-asserted-by":"publisher","first-page":"3193","DOI":"10.1121\/1.1397321","article-title":"A method of applying Fourier analysis to high-speed laryngoscopy","volume":"110","year":"2001","journal-title":"J. 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