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Title: Determination of a speaker's age and gender with an SVM classifier based on GMM supervectors
Authors: Yucesoy, Ergun
Nabiyev, Vasif V.
Ordu Üniversitesi
Keywords: Age and gender recognition, gaussian mixture model, gaussian mixture model supervectors, support vector machine
Issue Date: 2016
Citation: Yücesoy, E., Nabiyev, VV. (2016). Determination of a speaker's age and gender with an SVM classifier based on GMM supervectors. J. Fac. Eng. Archit. Gazi Univ., 31(3), 501-510.
Abstract: In this study, a system classifying speakers according to their age and/or genders is proposed. In this system phone conversations including mobile calls that took place indoor or outdoor are used as inputs. It is aimed to classify the speakers according to their genders into three classes as male, female and child, according to their ages into four classes as child, youth, adult and senior, and finally according to both gender and age into seven classes. For this aim, GMM models that are created with MFCC coefficients obtained by the voiced parts of the conversations are transformed into supervectors. These supervectors are applied to SVM classifier. Signal energy is used for determining the voiced parts of conversations. For the training of GMM models, the adaptation approach of UBM is preferred. Also, by testing GMM models that are created with different number of components and different length conversations, the impact of GMM components number and speech duration on the age and gender identification is investigated. At the end of these tests, the highest classification success rates are obtained by modeling 16-second speeches with 64-component GMMs. The rates obtained from these tests are measured as 92.42% for gender category, 60.10% for age category and 60.02% for age&gender category.
Description: WoS Categories: Engineering, Multidisciplinary
Web of Science Index: Science Citation Index Expanded (SCI-EXPANDED)
Research Areas: Engineering
ISSN: 1300-1884
Appears in Collections:Makale Koleksiyonu

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