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    Improved transition models for cepstral trajectories 

    Badenhorst, Jaco; Barnard, Etienne; Davel, Marelie H. (Pattern recognition association of South Africa (PRASA), 2012)
    We improve on a piece-wise linear model of the trajectories of Mel Frequency Cepstral Coefficients, which are commonly used as features in Automatic Speech Recognition. For this purpose, we have created a very clean ...
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    Validating smartphone-collected speech corpora 

    Van Heerden, Carel J.; Barnard, Etienne; Davel, Marelie H. (SLTU, 2012)
    We investigate the effectiveness with which the accuracy of a prompted speech corpus can be validated when minimal additional speech resources are available, and specifically when a language model in the target language ...
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    Medium-vocabulary speech recognition for under-resourced languages 

    Van Heerden, Charl J.; Barnard, Etienne; Davel, Marelie H. (SLTU, 2012)
    We report on the development of speech-recognition systems that are able to perform accurate recognition on mediumvocabulary tasks (i.e. tasks that require distinctions between approximately 200 different terms). We are ...
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    The semi-automated creation of stratified speech corpora 

    Van Heerden, Carel; Barnard, Etienne; Davel, Marelie H. (Pattern recognition association of South Africa (PRASA), 2013)
    Smartphones provide an efficient means for the collection of speech data; however, the quality of the corpora created in this fashion is not predictable. We describe an approach that allows us to post-process and rank ...

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    Author
    Barnard, Etienne (4)
    Davel, Marelie H. (4)
    Badenhorst, Jaco (1)Van Heerden, Carel (1)Van Heerden, Carel J. (1)Van Heerden, Charl J. (1)SubjectSpeech corpora (2)Automatic speech recognition (1)Confidence scoring (1)Corpus validation (1)Goodness of pronunciation (1)Multilingual speech processing (1)Phone-based dynamic programming scores (1)Speech recognition (1)Under-resourced languages (1)... View MoreDate Issued2012 (3)2013 (1)Has File(s)No (2)Yes (2)

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