Charl Johannes van Heerden

28 papers A 10C 1Misc 3Journal 6Unranked 8

Year	Rank	Type	Title / Venue / Authors
2022	J	`jnl`	Efficient acoustic feature transformation in mismatched environments using a Guided-GAN. CoRR Walter Heymans, Marelie H. Davel, Charl Johannes van Heerden
2022	J	`jnl`	Efficient acoustic feature transformation in mismatched environments using a Guided-GAN. Speech Commun. Walter Heymans, Marelie H. Davel, Charl Johannes van Heerden
2022	J	`jnl`	Multi-style Training for South African Call Centre Audio. CoRR Walter Heymans, Marelie H. Davel, Charl Johannes van Heerden
2021	—	`conf`	Multi-style Training for South African Call Centre Audio. SACAIR Walter Heymans, Marelie H. Davel, Charl Johannes van Heerden
2020	A	`conf`	Language Modeling for Speech Analytics in Under-Resourced Languages. INTERSPEECH Simone Wills, Pieter Uys, Charl Johannes van Heerden, Etienne Barnard
2020	J	`jnl`	The South African directory enquiries (SADE) name corpus. Lang. Resour. Evaluation Jan W. F. Thirion, Charl Johannes van Heerden, Oluwapelumi Giwa, Marelie H. Davel
2017	Misc	`conf`	Constructing sub-word units for spoken term detection. ICASSP Charl Johannes van Heerden, Damianos G. Karakos, Karthik Narasimhan, Marelie H. Davel, Richard M. Schwartz
2017	A	`conf`	Rapid Development of TTS Corpora for Four South African Languages. INTERSPEECH Daniel R. van Niekerk, Charl Johannes van Heerden, Marelie H. Davel, Neil Kleynhans, Oddur Kjartansson, Martin Jansche, Linne Ha
2016	—	`conf`	Code-switched English Pronunciation Modeling for Swahili Spoken Term Detection. SLTU Neil Kleynhans, William Hartmann, Daniel R. van Niekerk, Charl Johannes van Heerden, Richard M. Schwartz, Stavros Tsakalidis, Marelie H. Davel
2016	A	`conf`	Improving the Lwazi ASR Baseline. INTERSPEECH Charl Johannes van Heerden, Neil Kleynhans, Marelie H. Davel
2015	A	`conf`	Exploring minimal pronunciation modeling for low resource languages. INTERSPEECH Marelie H. Davel, Etienne Barnard, Charl Johannes van Heerden, William Hartmann, Damianos G. Karakos, Richard M. Schwartz, Stavros Tsakalidis
2014	—	`conf`	The NCHLT speech corpus of the South African languages. SLTU Etienne Barnard, Marelie H. Davel, Charl Johannes van Heerden, Febe de Wet, Jaco Badenhorst
2013	A	`conf`	G2p variant prediction techniques for ASR and STD. INTERSPEECH Marelie H. Davel, Charl Johannes van Heerden, Etienne Barnard
2012	—	`conf`	Medium-vocabulary speech recognition for under-resourced languages. SLTU Charl Johannes van Heerden, Marelie H. Davel, Etienne Barnard
2012	Misc	`conf`	The Spoken Web Search Task at MediaEval 2011. ICASSP Florian Metze, Nitendra Rajput, Xavier Anguera, Marelie H. Davel, Guillaume Gravier, Charl Johannes van Heerden, Gautam Varma Mantena, Armando Muscariello, Kishore Prahallad, Igor Szöke, Javier Tejedor
2012	—	`conf`	The Spoken Web Search Task. MediaEval Florian Metze, Etienne Barnard, Marelie H. Davel, Charl Johannes van Heerden, Xavier Anguera, Guillaume Gravier, Nitendra Rajput
2012	—	`conf`	Validating smartphone-collected speech corpora. SLTU Marelie H. Davel, Charl Johannes van Heerden, Etienne Barnard
2011	J	`jnl`	Collecting and evaluating speech recognition corpora for 11 South African languages. Lang. Resour. Evaluation Jaco Badenhorst, Charl Johannes van Heerden, Marelie H. Davel, Etienne Barnard
2011	A	`conf`	Efficient Harvesting of Internet Audio for Resource-Scarce ASR. INTERSPEECH Marelie H. Davel, Charl Johannes van Heerden, Neil Kleynhans, Etienne Barnard
2010	Misc	`conf`	Combining regression and classification methods for improving automatic speaker age recognition. ICASSP Charl Johannes van Heerden, Etienne Barnard, Marelie H. Davel, Christiaan van der Walt, Ewald van Dyk, Michael Feld, Christian A. Müller
2010	—	`conf`	Pooling ASR data for closely related languages. SLTU Charl Johannes van Heerden, Neil Kleynhans, Etienne Barnard, Marelie H. Davel
2010	A	`conf`	Voice search for development. INTERSPEECH Etienne Barnard, Johan Schalkwyk, Charl Johannes van Heerden, Pedro J. Moreno
2009	A	`conf`	ASR corpus design for resource-scarce languages. INTERSPEECH Etienne Barnard, Marelie H. Davel, Charl Johannes van Heerden
2009	A	`conf`	Basic speech recognition for spoken dialogues. INTERSPEECH Charl Johannes van Heerden, Etienne Barnard, Marelie H. Davel
2009	A	`conf`	Language modeling for what-with-where on GOOG-411. INTERSPEECH Charl Johannes van Heerden, Johan Schalkwyk, Brian Strope
2009	C	`conf`	Multilingual speaker age recognition: Regression analyses on the Lwazi corpus. ASRU Michael Feld, Etienne Barnard, Charl Johannes van Heerden, Christian A. Müller
2008	J	`jnl`	Speaker-specific variability of phoneme durations. South Afr. Comput. J. Charl Johannes van Heerden, Etienne Barnard
2007	—	`conf`	Durations of Context-Dependent Phonemes: A New Feature in Speaker Verification. Speaker Classification (2) Charl Johannes van Heerden, Etienne Barnard