{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T22:29:01Z","timestamp":1774045741212,"version":"3.50.1"},"reference-count":20,"publisher":"S. Karger AG","issue":"2","license":[{"start":{"date-parts":[[2015,1,1]],"date-time":"2015-01-01T00:00:00Z","timestamp":1420070400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2015,1,1]],"date-time":"2015-01-01T00:00:00Z","timestamp":1420070400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Folia Phoniatr Logop"],"published-print":{"date-parts":[[2015]]},"abstract":"<jats:p>&lt;b&gt;&lt;i&gt;Objective:&lt;\/i&gt;&lt;\/b&gt; To evaluate esophageal speech quality in patients after total laryngectomy using cepstral, spectral and time-based measures. &lt;b&gt;&lt;i&gt;Patients and Methods:&lt;\/i&gt;&lt;\/b&gt; The subjects were all males and included 20 total laryngectomy patients and 20 age-matched normal controls. The sustained vowel \/a\/ was measured using the tools of MDVP (Multi-Dimensional Voice Program) and ADSV (Analysis of Dysphonia in Speech and Voice). &lt;b&gt;&lt;i&gt;Results:&lt;\/i&gt;&lt;\/b&gt; Compared to normal controls, esophageal speakers showed significantly lower values for cepstral peak prominence (CPP) and a low- to high-frequency spectral energy (L\/H) ratio, but their mean CPP fundamental frequency (CPP F0) was higher. Highly negative correlations were found between CPP and jitter (percent jitter), shimmer (percent shimmer) and noise-to-harmonics ratio (NHR). Positive correlations were also found between L\/H ratio and CPP. CPP F0 showed a positive correlation with F0, shimmer and NHR. In addition, CPP and L\/H ratio parameters indicated an area under the curve of 0.93 or higher compared to that for time-based measures. &lt;b&gt;&lt;i&gt;Conclusion:&lt;\/i&gt;&lt;\/b&gt; This study showed that cepstral and spectral analyses are more effective than time-based analysis in examining the voice quality of alaryngeal speakers. The present findings are expected to contribute to establishing the baseline for voice quality characteristics in total laryngectomy patients.<\/jats:p>","DOI":"10.1159\/000439379","type":"journal-article","created":{"date-parts":[[2015,11,17]],"date-time":"2015-11-17T22:01:25Z","timestamp":1447797685000},"page":"90-96","source":"Crossref","is-referenced-by-count":12,"title":["Cepstral, Spectral and Time-Based Analysis of Voices of Esophageal Speakers"],"prefix":"10.1159","volume":"67","author":[{"given":"Hee-Jeong","family":"Shim","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyo Ryung","family":"Jang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hee Baek","family":"Shin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Do-Heung","family":"Ko","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"127","published-online":{"date-parts":[[2015,11,18]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.124.9.964"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1159\/000072152"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9924(99)00030-1"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9924(84)90034-0"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1080\/02699200400026975"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2007.10.004"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1017\/S0022215100126660"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2005.04.008"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1002\/lary.20620"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1044\/jshr.3704.769"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.3109\/02699200903242988"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(02)00067-X"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1044\/1092-4388(2011\/10-0209)"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.3109\/02699206.2010.492446"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1080\/140154398434239"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2011.12.001"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2008.03.008"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.13064\/KSSS.2013.5.4.025"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2011.05.001"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1044\/jshr.3802.273"}],"container-title":["Folia Phoniatrica et Logopaedica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/439379","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/439379","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T17:49:10Z","timestamp":1745430550000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000439379"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015]]},"references-count":20,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2016,1,1]]}},"URL":"https:\/\/doi.org\/10.1159\/000439379","archive":["Portico"],"relation":{},"ISSN":["1021-7762","1421-9972"],"issn-type":[{"value":"1021-7762","type":"print"},{"value":"1421-9972","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015]]}}}