Browsing Conference Papers - Vaal Triangle Campus by Subject "Speech recognition"

Now showing items 1-4 of 4

    • Category-based phoneme-to-grapheme transliteration 

      Basson, Willem D.; Davel, Marelie H. (International Speech Communication Association ( ISCA ), 2013)
      Grapheme-based speech recognition systems are faster to develop but typically do not reach the same level of performance as phoneme-based systems. In this paper we introduce a technique for improving the performance of ...

    • Comparing grapheme-based and phoneme-based speech recognition for Afrikaans 

      Basson, Willem D.; Davel, Marelie H. (PRASA, 2012)
      This paper compares the recognition accuracy of a phoneme-based automatic speech recognition system with that of a grapheme-based system, using Afrikaans as case study. The first system is developed using a conventional ...

    • Implications of Sepedi/English code switching for ASR systems 

      Modipa, Thipe I.; De Wet, Febe; Davel, Marelie H. (Pattern recognition association of South Africa (PRASA), 2013)
      Code switching (the process of switching from one language to another during a conversation) is a common phenomenon in multilingual environments. Where a minority and dominant language coincide, code switching from the ...

    • 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 ...