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Artif. Intell."],"abstract":"<jats:p>This study assessed the influence of speaker similarity and sample length on the performance of an automatic speaker recognition (ASR) system utilizing the SpeechBrain toolkit. The dataset comprised recordings from 20 male identical twin speakers engaged in spontaneous dialogues and interviews. Performance evaluations involved comparing identical twins, all speakers in the dataset (including twin pairs), and all speakers excluding twin pairs. Speech samples, ranging from 5 to 30 s, underwent assessment based on equal error rates (EER) and Log cost-likelihood ratios (Cllr). Results highlight the substantial challenge posed by identical twins to the ASR system, leading to a decrease in overall speaker recognition accuracy. Furthermore, analyses based on longer speech samples outperformed those using shorter samples. As sample size increased, standard deviation values for both intra and inter-speaker similarity scores decreased, indicating reduced variability in estimating speaker similarity\/dissimilarity levels in longer speech stretches compared to shorter ones. The study also uncovered varying degrees of likeness among identical twins, with certain pairs presenting a greater challenge for ASR systems. These outcomes align with prior research and are discussed within the context of relevant literature.<\/jats:p>","DOI":"10.3389\/frai.2024.1287877","type":"journal-article","created":{"date-parts":[[2024,2,8]],"date-time":"2024-02-08T04:53:04Z","timestamp":1707367984000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":10,"title":["Exploring the performance of automatic speaker recognition using twin speech and deep learning-based artificial neural networks"],"prefix":"10.3389","volume":"7","author":[{"given":"Julio Cesar","family":"Cavalcanti","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronaldo Rodrigues","family":"da Silva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Eriksson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Plinio A.","family":"Barbosa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2024,2,8]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1149","DOI":"10.21437\/SpeechProsody.2014-220","article-title":"\u201cTemporal stability of long-term measures of fundamental frequency,\u201d","author":"Arantes","year":"2014","journal-title":"7th international conference on Speech Prosody, Dublin, Ireland"},{"key":"B2","doi-asserted-by":"publisher","first-page":"182","DOI":"10.1016\/j.scijus.2008.02.002","article-title":"A test of the effectiveness of speaker verification for differentiating between identical twins","volume":"48","author":"Ariyaeeinia","year":"2008","journal-title":"Sci. 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