| 2002 | Interspeech | A comparison of L1 and african-mother-tongue acoustic models for south african English speech recognition. | Janus D. Brink, Elizabeth C. Botha |
| 2002 | Interspeech | Comparison of acoustic distance measures for automatic cross-language phoneme mapping. | Jayren J. Sooful, Elizabeth C. Botha |
| 2002 | Interspeech | Recurrent neural network-enhanced HMM speech recognition systems. | Jan W. F. Thirion, Elizabeth C. Botha |
| 2001 | Interspeech | African speech technology (AST) telephone speech databases: corpus design and contents. | Philippa H. Louw, Justus C. Roux, Elizabeth C. Botha |
| 2001 | Interspeech | Bayesian methods for HMM speech recognition with limited training data. | Darryl W. Purnell, Elizabeth C. Botha |
| 2000 | Interspeech | Synthesizing prosody for commands in a Xhosa TTS system. | Philippa H. Louw, Justus C. Roux, Elizabeth C. Botha |
| 2000 | Interspeech | Cross-language use of acoustic information for automatic speech recognition. | Christoph Nieuwoudt, Elizabeth C. Botha |
| 2000 | Interspeech | Improved performance and generalization of minimum classification error training for continuous speech recognition. | Darryl W. Purnell, Elizabeth C. Botha |
| 2000 | LREC | Developing a Multilingual Telephone Based Information System in African Languages. | Justus C. Roux, Elizabeth C. Botha, Johan A. du Preez |
| 1999 | Interspeech | Adaptation of acoustic models for multilingual recognition. | Christoph Nieuwoudt, Elizabeth C. Botha |
| 1998 | ICPR | Relative performance of correlation-based and feature-based classifiers of aircraft using radar range profiles. | Christoph Nieuwoudt, Elizabeth C. Botha |
| 1998 | Interspeech | On the structure of vowel space: a genealogy of general phonetic concepts. | Hendrik F. V. Boshoff, Elizabeth C. Botha |
| 1997 | Interspeech | Modeling the acoustic differences between L1 and L2 speech: the short vowels of africaans and south-african English. | Elizabeth C. Botha, Louis C. W. Pols |