{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T23:13:54Z","timestamp":1789082034773,"version":"build-2803163510"},"reference-count":28,"publisher":"Acoustical Society of America (ASA)","issue":"12","license":[{"start":{"date-parts":[[2024,12,16]],"date-time":"2024-12-16T00:00:00Z","timestamp":1734307200000},"content-version":"vor","delay-in-days":15,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,12,16]],"date-time":"2024-12-16T00:00:00Z","timestamp":1734307200000},"content-version":"tdm","delay-in-days":15,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,12,1]]},"abstract":"<jats:p>We study inter-speaker acoustic differences during sustained vowel utterances at varied severities of Amyotrophic Lateral Sclerosis-induced dysarthria. Among source attributes, jitter and standard deviation of fundamental frequency exhibit enhanced inter-speaker differences among patients than healthy controls (HCs) at all severity levels. Though inter-speaker differences in vocal tract filter attributes at most severity levels are higher than those among HCs for close vowels \/i\/ and \/u\/, these are comparable with or lower than those among HCs for the relatively more open vowels \/a\/ and \/o\/. The differences typically increase with severity except for a few parameters for \/a\/ and \/i\/.<\/jats:p>","DOI":"10.1121\/10.0034613","type":"journal-article","created":{"date-parts":[[2024,12,16]],"date-time":"2024-12-16T14:00:53Z","timestamp":1734357653000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":1,"title":["Inter-speaker acoustic differences of sustained vowels at varied dysarthria severities for amyotrophic lateral sclerosis"],"prefix":"10.1121","volume":"4","author":[{"given":"Tanuka","family":"Bhattacharjee","sequence":"first","affiliation":[{"name":"Electrical Engineering Department, Indian Institute of Science 1 , Bengaluru,","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seena","family":"Vengalil","sequence":"additional","affiliation":[{"name":"National Institute of Mental Health and Neurosciences 2 , Bengaluru, tanuka1111@gmail.com , seenavengalil@gmail.com , yamiini.bk@gmail.com , atchayaramnalini@yahoo.co.in , prasantg@iisc.ac.in","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yamini","family":"Belur","sequence":"additional","affiliation":[{"name":"National Institute of Mental Health and Neurosciences 2 , Bengaluru, tanuka1111@gmail.com , seenavengalil@gmail.com , yamiini.bk@gmail.com , atchayaramnalini@yahoo.co.in , prasantg@iisc.ac.in","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nalini","family":"Atchayaram","sequence":"additional","affiliation":[{"name":"National Institute of Mental Health and Neurosciences 2 , Bengaluru, tanuka1111@gmail.com , seenavengalil@gmail.com , yamiini.bk@gmail.com , atchayaramnalini@yahoo.co.in , prasantg@iisc.ac.in","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prasanta Kumar","family":"Ghosh","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, Indian Institute of Science 1 , Bengaluru,","place":["India"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2024,12,16]]},"reference":[{"key":"2024121614003369400_c1","volume-title":"Acoustic Theory of Speech Production","year":"1970"},{"issue":"5","key":"2024121614003369400_c2","doi-asserted-by":"publisher","first-page":"e0154971","DOI":"10.1371\/journal.pone.0154971","article-title":"Predicting speech intelligibility decline in amyotrophic lateral sclerosis based on the deterioration of individual speech subsystems","volume":"11","year":"2016","journal-title":"PLoS One"},{"key":"2024121614003369400_c3","doi-asserted-by":"publisher","first-page":"102350","DOI":"10.1016\/j.bspc.2020.102350","article-title":"Classification of ALS patients based on acoustic analysis of sustained vowel phonations","volume":"65","year":"2021","journal-title":"Biomed. 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