Ewald van der Westhuizen

Publication Activity (10 Years)

Years Active: 2016-2022
Publications (10 Years): 27

Top Topics

Keyword Spotting

Speech Recognition

Top Venues

Comput. Speech Lang.

Publications

Astik Biswas, Emre Yilmaz, Ewald van der Westhuizen, Febe de Wet, Thomas Niesler
Code-switched automatic speech recognition in five South African languages. Comput. Speech Lang. 71 (2022)
Ewald van der Westhuizen, Herman Kamper, Raghav Menon, John A. Quinn, Thomas Niesler
Feature learning for efficient ASR-free keyword spotting in low-resource languages. Comput. Speech Lang. 71 (2022)
Ewald van der Westhuizen, Trideba Padhi, Thomas Niesler
Multilingual Training Set Selection for ASR in Under-Resourced Malian Languages. SPECOM (2021)
Nick Wilkinson, Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Semi-supervised Acoustic Modelling for Five-lingual Code-switched ASR using Automatically-segmented Soap Opera Speech. SLTU/CCURL@LREC (2020)
Trideba Padhi, Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Multilingual Bottleneck Features for Improving ASR Performance of Code-Switched Speech in Under-Resourced Languages. CoRR (2020)
Nick Wilkinson, Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas R. Niesler
Semi-supervised acoustic modelling for five-lingual code-switched ASR using automatically-segmented soap opera speech. CoRR (2020)
Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Thomas R. Niesler
Semi-supervised acoustic and language model training for English-isiZulu code-switched speech recognition. CoRR (2020)
Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Semi-supervised acoustic and language model training for English-isiZulu code-switched speech recognition. CodeSwitch@LREC (2020)
Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Semi-supervised Development of ASR Systems for Multilingual Code-switched Speech in Under-resourced Languages. LREC (2020)
Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Semi-supervised Development of ASR Systems for Multilingual Code-switched Speech in Under-resourced Languages. CoRR (2020)
Astik Biswas, Raghav Menon, Ewald van der Westhuizen, Thomas Niesler
Improved low-resource Somali speech recognition by semi-supervised acoustic and language model training. CoRR (2019)
Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Semi-Supervised Acoustic Model Training for Five-Lingual Code-Switched ASR. INTERSPEECH (2019)
Raghav Menon, Herman Kamper, Ewald van der Westhuizen, John A. Quinn, Thomas Niesler
Feature Exploration for Almost Zero-Resource ASR-Free Keyword Spotting Using a Multilingual Bottleneck Extractor and Correspondence Autoencoders. INTERSPEECH (2019)
Ewald van der Westhuizen, Thomas Niesler
Synthesised bigrams using word embeddings for code-switched ASR of four South African language pairs. Comput. Speech Lang. 54 (2019)
Astik Biswas, Raghav Menon, Ewald van der Westhuizen, Thomas Niesler
Improved Low-Resource Somali Speech Recognition by Semi-Supervised Acoustic and Language Model Training. INTERSPEECH (2019)
Ryan Eloff, André Nortje, Benjamin van Niekerk, Avashna Govender, Leanne Nortje, Arnu Pretorius, Elan Van Biljon, Ewald van der Westhuizen, Lisa van Staden, Herman Kamper
Unsupervised Acoustic Unit Discovery for Speech Synthesis Using Discrete Latent-Variable Neural Networks. INTERSPEECH (2019)
Ryan Eloff, André Nortje, Benjamin van Niekerk, Avashna Govender, Leanne Nortje, Arnu Pretorius, Elan Van Biljon, Ewald van der Westhuizen, Lisa van Staden, Herman Kamper
Unsupervised acoustic unit discovery for speech synthesis using discrete latent-variable neural networks. CoRR (2019)
Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler
Semi-supervised acoustic model training for five-lingual code-switched ASR. CoRR (2019)
Ewald van der Westhuizen, Thomas Niesler
A First South African Corpus of Multilingual Code-switched Soap Opera Speech. LREC (2018)
Emre Yilmaz, Astik Biswas, Ewald van der Westhuizen, Febe de Wet, Thomas Niesler
Building a Unified Code-Switching ASR System for South African Languages. CoRR (2018)
Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Emre Yilmaz, Thomas Niesler
Multilingual Neural Network Acoustic Modelling for ASR of Under-Resourced English-isiZulu Code-Switched Speech. INTERSPEECH (2018)
Astik Biswas, Ewald van der Westhuizen, Thomas Niesler, Febe de Wet
Improving ASR for Code-Switched Speech in Under-Resourced Languages Using Out-of-Domain Data. SLTU (2018)
Emre Yilmaz, Astik Biswas, Ewald van der Westhuizen, Febe de Wet, Thomas Niesler
Building a Unified Code-Switching ASR System for South African Languages. INTERSPEECH (2018)
Ewald van der Westhuizen, Thomas Niesler
Synthesising isiZulu-English Code-Switch Bigrams Using Word Embeddings. INTERSPEECH (2017)
Hantao Xu, Hadi Aliakbarian, Ewald van der Westhuizen, Riaan Wolhuter, Guy A. E. Vandenbosch
An Architectural Scheme for Real-Time Multiple Users Beam Tracking Systems. IEEE Syst. J. 11 (4) (2017)
Ewald van der Westhuizen, Thomas Niesler
The Effect of Postlexical Deletion on Automatic Speech Recognition in Fast Spontaneously Spoken Zulu. INTERSPEECH (2016)
Ewald van der Westhuizen, Thomas Niesler
Automatic Speech Recognition of English-isiZulu Code-switched Speech from South African Soap Operas. SLTU (2016)