{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T23:24:05Z","timestamp":1788564245231,"version":"build-2803163510"},"reference-count":72,"publisher":"Acoustical Society of America (ASA)","issue":"2","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2002,2,1]]},"abstract":"<jats:p>This study compared acoustic and electroglottographic (EGG) jitter from [a] vowels of 103 dysphonic speakers. The EGG recordings were chosen according to their intensity, signal-to-noise ratio, and percentage of unvoiced intervals, while acoustic signals were selected based on voicing detection and the reliability of jitter extraction. The agreement between jitter measures was expressed numerically as a normalized difference. In 63.1% (65\/103) of the cases the differences fell within \u00b122.5%. Positive differences above +22.5% were associated with increased acoustic jitter and occurred in 12.6% (13\/103) of the speakers. These were, typically, cases of small nodular lesions without problems in the posterior larynx. On the other hand, substantial rises in EGG jitter leading to differences below \u221222.5% took place in 24.3% (25\/103) of the speakers and were related to hyperfunctional voices, creaky-like voices, small laryngeal asymmetries affecting the arytenoids, or small-to-moderate glottal chinks. A clinically relevant outcome of the study was the possibility of detecting gentle laryngeal asymmetries among cases of large unilateral increase in EGG jitter. These asymmetries can be linked with vocal problems that are often overlooked in endoscopic examinations.<\/jats:p>","DOI":"10.1121\/1.1430686","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T14:10:47Z","timestamp":1027692647000},"page":"1045-1055","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":45,"title":["On the influence of laryngeal pathologies on acoustic and electroglottographic jitter measures"],"prefix":"10.1121","volume":"111","author":[{"given":"Maur\u0131\u0301lio N.","family":"Vieira","sequence":"first","affiliation":[{"name":"Departamento de F\u0131\u0301sica\/ICEx, Universidade Federal de Minas Gerais, CP 702, CEP 30.161-970, Belo Horizonte, Minas Gerais, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fergus R.","family":"McInnes","sequence":"additional","affiliation":[{"name":"Centre for Communication Interface Research, Department of Electronics and Electrical Engineering, University of Edinburgh, 80 South Bridge, Edinburgh\u2009EH1\u20091HN, Scotland, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mervyn A.","family":"Jack","sequence":"additional","affiliation":[{"name":"Centre for Communication Interface Research, Department of Electronics and Electrical Engineering, University of Edinburgh, 80 South Bridge, Edinburgh\u2009EH1\u20091HN, Scotland, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","reference":[{"key":"2023071408265005800_arn61","doi-asserted-by":"crossref","first-page":"687","DOI":"10.1288\/00005537-196107000-00002","article-title":"Physiology and pathology of the cricothyroid muscle","volume":"71","year":"1961","journal-title":"Laryngoscope"},{"key":"2023071408265005800_beh88","first-page":"249","article-title":"Microphone and electroglottographic data from dysphonic patients: Type 1, 2 and 3 signals","volume":"12","year":"1988","journal-title":"J. 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