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- W3133669406 abstract "Gaussian mixture model-universal background model (GMM UBM) supervectors are used to identify spoken Indian languages. The supervectors are calculated from short-time MFCC, its first and sec derivatives. The UBM builds a generalized Indian language model, and mean adaptation transforms it to a duration normalized language-specific GMM. Multi-class support vector machine and artificial neural network classifiers are used to identify language labels from the supervectors. Experimental evaluations are performed using 30 sec speech utterances from nine Indian languages comprised five Indo-Aryan and four Dravidian languages, extracted from all India radio broadcast news data-set. Eight smaller duration data-sets were manually derived to study the effect of training and test duration mismatch. In mismatch conditions, identification accuracy decreases with a decrease in test and train utterance duration. Investigations showed that the 32-mixture model with ANN classifier has optimal performance." @default.
- W3133669406 created "2021-03-15" @default.
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- W3133669406 date "2021-04-01" @default.
- W3133669406 modified "2023-09-26" @default.
- W3133669406 title "A GMM supervector approach for spoken Indian language identification for mismatch utterance length" @default.
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- W3133669406 doi "https://doi.org/10.11591/eei.v10i2.2861" @default.
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