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Charl van Heerden
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The NCHLT speech corpus of the South African languages
E Barnard, MH Davel, C van Heerden, F De Wet, J Badenhorst
Workshop Spoken Language Technologies for Under-resourced Languages (SLTU), 2014
1122014
ASR corpus design for resource-scarce languages
E Barnard, M Davel, C Van Heerden
ISCA, 2009
902009
The spoken web search task at MediaEval 2012
F Metze, X Anguera, E Barnard, M Davel, G Gravier
2013 IEEE International Conference on Acoustics, Speech and Signal …, 2013
872013
The spoken web search task
F Metze, E Barnard, C van Heerden, X Anguera, G Gravier, N Rajput, ...
MediaEval Workshop, Pisa, Italy, 2012
522012
Combining regression and classification methods for improving automatic speaker age recognition
C van Heerden, E Barnard, M Davel, C van der Walt, E van Dyk, M Feld, ...
2010 IEEE International Conference on Acoustics, Speech and Signal …, 2010
492010
Rapid development of TTS corpora for four South African languages
DR Van Niekerk, C van Heerden, N Kleynhans, O Kjartansson, ...
Interspeech 2017, 2017
402017
Efficient harvesting of Internet audio for resource-scarce ASR
MH Davel, C Van Heerden, N Kleynhans, E Barnard
The International Speech Communication Association, 2011
392011
Voice search for development
E Barnard, J Schalkwyk, C Van Heerden, PJ Moreno
International Speech Communication Association (ISCA), 2010
382010
Validating smartphone-collected speech corpora
MH Davel, CJ Heerden, E Barnard
Spoken Language Technologies for Under-Resourced Languages, 2012
362012
Basic speech recognition for spoken dialogues
C Van Heerden, E Barnard, M Davel
International Speech Communication Association, 2009
292009
Exploring minimal pronunciation modeling for low resource languages.
MH Davel, E Barnard, CJ van Heerden, W Hartmann, DG Karakos, ...
Interspeech, 538-542, 2015
262015
Collecting and evaluating speech recognition corpora for 11 South African languages
J Badenhorst, C Van Heerden, M Davel, E Barnard
Language resources and evaluation 45, 289-309, 2011
232011
Constructing sub-word units for spoken term detection
C Van Heerden, D Karakos, K Narasimhan, M Davel, R Schwartz
2017 IEEE International Conference on Acoustics, Speech and Signal …, 2017
202017
Febe de Wet, and Jaco Badenhorst. 2014. The NCHLT speech corpus of the South African languages
E Barnard, MH Davel, C van Heerden
4th Workshop on Spoken Language Technologies for Under-resourced Languages …, 2014
192014
Pooling ASR data for closely related languages
C Van Heerden, N Kleynhans, E Barnard, M Davel
School of Computer Sciences, Universiti Sains Malaysia, 2010
182010
Language modeling for what-with-where on GOOG-411
C Van Heerden, J Schalkwyk, B Strope
International Speech Communication Association, 2009
182009
Speech rate normalization used to improve speaker verification
CJ van Heerden, E Barnard
SAIEE Africa Research Journal 98 (4), 129-135, 2021
172021
NCHLT dictionaries: Project report
MH Davel, WD Basson, C van Heerden, E Barnard
Multilingual Speech Technologies, North-West University, Tech. Rep, 2013
142013
Multilingual speaker age recognition: regression analyses on the Lwazi corpus
M Feld, E Barnard, C Van Heerden, C Müller
2009 IEEE Workshop on Automatic Speech Recognition & Understanding, 534-539, 2009
142009
Lwazi II Final Report: Increasing the impact of speech technologies in South Africa
KV Calteaux, F De Wet, C Moors, D Van Niekerk, B McAlister, AS Grover, ...
CSIR, 2013
122013
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