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Publications

A list of publications as a result of the Lwazi project.

Type Publication Title Author(s) Year Page no.
 
International Journal Paper ITID (Information Technologies and International Development) Morphological Analysis: A method for selecting ICT applications in South African government service delivery M. Plauché, A. de Waal, A. Sharma, T. Gumede 2010 N/A

Contract Report Lwazi Project Final Report "Development of a telephone-based speech-driven information service for the South African Government" C. Kuun November 2009

Technical Report Lwazi Application Section Report "Development of a telephone-based speech-driven information service for the South African Government" T. Gumede November 2009

International Journal Paper Computer Speech and Language Journal, Vol 23(2) Continuous speech recognition with sparse coding W.J. Smit, E Barnard. April 2009 200-219

International Conference Proceedings Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009) Pronunciation dictionary development in resource-scarce environments M. Davel, O.M. Martirosian September 2009 2851-2854

International Conference Proceedings Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009) ASR Corpus design for resource-scarce languages E. Barnard, M. Davel, C. van Heerden September 2009 2847-2850

International Conference Proceedings Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009) Basic speech recognition for spoken dialogues C. van Heerden, E. Barnard, M. Davel September 2009 3003-3006

International Conference Proceedings Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009) Phonetic alignment for speech synthesis in under-resourced languages D.R. van Niekerk, E. Barnard September 2009 880-883

International Conference Proceedings Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2009) Collecting and evaluating speech recognition corpora for nine Southern Bantu languages J. Badenhorst, C. van Heerden, M. Davel, E. Barnard March/April 2009 1-8

International Conference Proceedings Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2009) Initial fieldwork for LWAZI: A telephone-based spoken dialog system for rural South Africa T. Gumede, M. Plauche March/April 2009 13-16

Conference Proceedings Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Data Requirements for Speaker Independent Acoustic Models J.A.C. Badenhorst and M. Davel November 2008 147-152

Conference Proceedings Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) A Channel Normalization Technique for Speech Recognition in Mismatched Conditions N.T. Kleynhans and E. Barnard November 2008 115-118

Conference Proceedings Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Speect: A Multilingual Text-to-speech System J.A. Louw November 2008 165-168

Conference Proceedings Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Acoustic Analysis of Diphthongs in Standard South African English M.O. Martirosian and M. Davel November 2008 18-22

Conference Proceedings Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Acoustic Cues Identifying Phonetic Transitions for Speech Segmentation D.R van Niekerk and E. Barnard November 2008 55-59

International Conference Proceedings Proceedings of the 2008 IEEE Workshop on Spoken Language Technology (SLT) The Utility of Spoken Dialogue Systems E. Barnard, M. Plauche and M. Davel December 2008 13-16

Journal Paper South African Computer Journal (SACJ), Vol 40 Speech-based Emotion Detection in a Resource-scarce Environment O.M. Martirosian and E. Barnard 2008 18-22

Journal Paper South African Computer Journal (SACJ), Vol 40 Speaker-specific Variability of Phoneme Durations C.J. van Heerden and E. Barnard 2008 44-50

Journal Paper Southern African Linguistics and Applied Language Studies, Vol 26 (2) Vowel variations in Southern Sotho: An Acoustical Investigation D. Wissing and E. Barnard 2008 255-265

Journal Paper Southern African Linguistics and Applied Language Studies, Vol 26 (2) Phonetics of Intonation in South African Bantu Languages S. Zerbian and E. Barnard 2008 235-254

International Conference Proceedings Interspeech 2008 Incorporating SST08 Influences on Tone in Sepedi, a Southern Bantu Language S. Zerbian and E. Barnard September 2008 625

Journal Paper The Literator: Journal of literary criticism comparative linguistics and literary studies, Vol 29 (1) Orthographic Measures of Language Distances Between the Official South African Languages P.N. Zulu, G. Botha and E. Barnard April 2008 185-204

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) The effect of speech rate variation on acoustic phone stability in Afrikaans speech recognition J. Badenhorst and M. Davel November 2007 6-9

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Factors that affect the accuracy of text-based language identification G.R. Botha and E. Barnard November 2007 7-10

Journal Paper SAIEE Africa Research Journal, Vol 98 (4) Text-based language identification for the South African languages G.R. Botha, V.Z. Zimu and E. Barnard December 2007 141-146

Journal Paper SAIEE Africa Research Journal, Vol 98 (4) Effort and Accuracy during Language Resource Generation: A Pronunciation Prediction Case Study M. Davel and E. Barnard December 2007 124-128

Journal Paper South African Computer Journal, Vol 38 Pitch modelling for the Nguni languages N. Govender, E. Barnard and M.H. Davel June 2007 28-39

Journal Paper SAIEE Africa Research Journal, Vol 98 (4) Statistical translation with scarce resources: a South African case study R.S.M. Kato and E. Barnard December 2007 136-140

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Speech-based emotion detection in a resource-scarce environment O.M. Martirosian and E. Barnard November 2007 105-108

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Error analysis of a public domain pronunciation dictionary O.M. Martirosian and M. Davel November 2007 13-16

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Measures for the characterisation of pattern-recognition data sets C.M van der Walt and E. Barnard November 2007 75-78

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Naive Bayesian classifiers for multinomial features: a theoretical analysis E. van Dyk and E. Barnard November 2007 87-91

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Speaker-specific variability of phoneme durations C.J. van Heerden and E. Barnard November 2007 111-114

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Important factors in HMM-based phonetic segmentation D.R. van Niekerk and E. Barnard November 2007 25-28

Conference Proceedings Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA) Orthographic Based Clustering of South Africa's Official Languages P. Zulu November 2007

International Conference Proceedings Proceedings of the 8th Annual Conference of the International Speech Communication Association (INTERSPEECH-2007) Phonotactic spoken language identification with limited training data M. Peché, M. Davel and E. Barnard August 2007 1537-1540

Journal Paper SAIEE Africa Research Journal, Vol 98 (3) Data characteristics that determine classifier performance C.M. van der Walt and E. Barnard September 2007 87-93

Journal Paper SAIEE Africa Research Journal, Vol 98 (4) Speech rate normalization used to improve speaker verification C.J. van Heerden and E. Barnard December 2007 129-135

International Journal Paper Speaker Classification II, Springer Durations of context-dependent phonemes: a new feature in speaker verification C.J. van Heerden and E. Barnard September 2007 93-103

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