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Medium-vocabulary speech recognition for under-resourced languages
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 ...
Category-based phoneme-to-grapheme transliteration
(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 ...
Implications of Sepedi/English code switching for ASR systems
(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 ...