{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T00:49:49Z","timestamp":1778287789025,"version":"3.51.4"},"reference-count":105,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2023,5,30]],"date-time":"2023-05-30T00:00:00Z","timestamp":1685404800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Council for Scientific and Technological Development (CNPq)","award":["303854\/222-7"],"award-info":[{"award-number":["303854\/222-7"]}]},{"name":"National Council for Scientific and Technological Development (CNPq)","award":["2021\/12407-4"],"award-info":[{"award-number":["2021\/12407-4"]}]},{"name":"National Council for Scientific and Technological Development (CNPq)","award":["2022\/05186-4"],"award-info":[{"award-number":["2022\/05186-4"]}]},{"name":"The State of S\u00e3o Paulo Research Foundation (FAPESP)","award":["303854\/222-7"],"award-info":[{"award-number":["303854\/222-7"]}]},{"name":"The State of S\u00e3o Paulo Research Foundation (FAPESP)","award":["2021\/12407-4"],"award-info":[{"award-number":["2021\/12407-4"]}]},{"name":"The State of S\u00e3o Paulo Research Foundation (FAPESP)","award":["2022\/05186-4"],"award-info":[{"award-number":["2022\/05186-4"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Biometrics-based authentication has become the most well-established form of user recognition in systems that demand a certain level of security. For example, the most commonplace social activities stand out, such as access to the work environment or to one\u2019s own bank account. Among all biometrics, voice receives special attention due to factors such as ease of collection, the low cost of reading devices, and the high quantity of literature and software packages available for use. However, these biometrics may have the ability to represent the individual impaired by the phenomenon known as dysphonia, which consists of a change in the sound signal due to some disease that acts on the vocal apparatus. As a consequence, for example, a user with the flu may not be properly authenticated by the recognition system. Therefore, it is important that automatic voice dysphonia detection techniques be developed. In this work, we propose a new framework based on the representation of the voice signal by the multiple projection of cepstral coefficients to promote the detection of dysphonic alterations in the voice through machine learning techniques. Most of the best-known cepstral coefficient extraction techniques in the literature are mapped and analyzed separately and together with measures related to the fundamental frequency of the voice signal, and its representation capacity is evaluated on three classifiers. Finally, the experiments on a subset of the Saarbruecken Voice Database prove the effectiveness of the proposed material in detecting the presence of dysphonia in the voice.<\/jats:p>","DOI":"10.3390\/s23115196","type":"journal-article","created":{"date-parts":[[2023,5,31]],"date-time":"2023-05-31T02:57:10Z","timestamp":1685501830000},"page":"5196","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["An Experimental Analysis on Multicepstral Projection Representation Strategies for Dysphonia Detection"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4003-7791","authenticated-orcid":false,"given":"Rodrigo Colnago","family":"Contreras\u00a0","sequence":"first","affiliation":[{"name":"Department of Computer Science and Statistics, Institute of Biosciences, Letters and Exact Sciences, S\u00e3o Paulo State University, S\u00e3o Jos\u00e9 do Rio Preto 15054-000, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2960-8293","authenticated-orcid":false,"given":"Monique Simplicio","family":"Viana\u00a0","sequence":"additional","affiliation":[{"name":"Federal Institute of S\u00e3o Paulo, S\u00e3o Jos\u00e9 do Rio Preto 15030-070, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6202-0806","authenticated-orcid":false,"given":"Everthon Silva","family":"Fonseca\u00a0","sequence":"additional","affiliation":[{"name":"Federal Institute of S\u00e3o Paulo, S\u00e3o Jos\u00e9 do Rio Preto 15030-070, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7718-8203","authenticated-orcid":false,"given":"Francisco Lledo","family":"dos Santos","sequence":"additional","affiliation":[{"name":"Faculty of Architecture and Engineering, Mato Grosso State University, C\u00e1ceres 78217-900, MT, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4990-0056","authenticated-orcid":false,"given":"Rodrigo Bruno","family":"Zanin\u00a0","sequence":"additional","affiliation":[{"name":"Faculty of Architecture and Engineering, Mato Grosso State University, C\u00e1ceres 78217-900, MT, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0924-8024","authenticated-orcid":false,"given":"Rodrigo Capobianco","family":"Guido\u00a0","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Statistics, Institute of Biosciences, Letters and Exact Sciences, S\u00e3o Paulo State University, S\u00e3o Jos\u00e9 do Rio Preto 15054-000, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,5,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5994","DOI":"10.1109\/ACCESS.2018.2889996","article-title":"A survey on biometric authentication: Toward secure and privacy-preserving identification","volume":"7","author":"Rui","year":"2018","journal-title":"IEEE Access"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"27721","DOI":"10.1007\/s11042-020-09197-7","article-title":"A review on performance, security and various biometric template protection schemes for biometric authentication systems","volume":"79","author":"Sarkar","year":"2020","journal-title":"Multimed. 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