Ewald van der Westhuizen

According to our database, Ewald van der Westhuizen authored at least 20 papers between 2016 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

Feature learning for efficient ASR-free keyword spotting in low-resource languages.

Ewald van der Westhuizen, Herman Kamper, Raghav Menon, John A. Quinn, Thomas Niesler

Comput. Speech Lang., 2022

Code-switched automatic speech recognition in five South African languages.

Astik Biswas, Emre Yilmaz, Ewald van der Westhuizen, Febe de Wet, Thomas Niesler

Comput. Speech Lang., 2022

2021

Multilingual Training Set Selection for ASR in Under-Resourced Malian Languages.

Ewald van der Westhuizen, Trideba Padhi, Thomas Niesler

Proceedings of the Speech and Computer - 23rd International Conference, 2021

2020

Multilingual Bottleneck Features for Improving ASR Performance of Code-Switched Speech in Under-Resourced Languages.

Trideba Padhi, Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler

CoRR, 2020

Semi-supervised Acoustic Modelling for Five-lingual Code-switched ASR using Automatically-segmented Soap Opera Speech.

Nick Wilkinson, Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler

Proceedings of the 1st Joint Workshop on Spoken Language Technologies for Under-resourced languages and Collaboration and Computing for Under-Resourced Languages, 2020

Semi-supervised Development of ASR Systems for Multilingual Code-switched Speech in Under-resourced Languages.

Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Semi-supervised acoustic and language model training for English-isiZulu code-switched speech recognition.

Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler

Proceedings of the The 4th Workshop on Computational Approaches to Code Switching, 2020

2019

Synthesised bigrams using word embeddings for code-switched ASR of four South African language pairs.

Ewald van der Westhuizen, Thomas Niesler

Comput. Speech Lang., 2019

Feature Exploration for Almost Zero-Resource ASR-Free Keyword Spotting Using a Multilingual Bottleneck Extractor and Correspondence Autoencoders.

Raghav Menon, Herman Kamper, Ewald van der Westhuizen, John A. Quinn, Thomas Niesler

Proceedings of the Interspeech 2019, 2019

Unsupervised Acoustic Unit Discovery for Speech Synthesis Using Discrete Latent-Variable Neural Networks.

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

Proceedings of the Interspeech 2019, 2019

Semi-Supervised Acoustic Model Training for Five-Lingual Code-Switched ASR.

Astik Biswas, Emre Yilmaz, Febe de Wet, Ewald van der Westhuizen, Thomas Niesler

Proceedings of the Interspeech 2019, 2019

Improved Low-Resource Somali Speech Recognition by Semi-Supervised Acoustic and Language Model Training.

Astik Biswas, Raghav Menon, Ewald van der Westhuizen, Thomas Niesler

Proceedings of the Interspeech 2019, 2019

2018

Improving ASR for Code-Switched Speech in Under-Resourced Languages Using Out-of-Domain Data.

Astik Biswas, Ewald van der Westhuizen, Thomas Niesler, Febe de Wet

Proceedings of the 6th Intl. Workshop on Spoken Language Technologies for Under-Resourced Languages, 2018

A First South African Corpus of Multilingual Code-switched Soap Opera Speech.

Ewald van der Westhuizen, Thomas Niesler

Proceedings of the Eleventh International Conference on Language Resources and Evaluation, 2018

Building a Unified Code-Switching ASR System for South African Languages.

Emre Yilmaz, Astik Biswas, Ewald van der Westhuizen, Febe de Wet, Thomas Niesler

Proceedings of the Interspeech 2018, 2018

Multilingual Neural Network Acoustic Modelling for ASR of Under-Resourced English-isiZulu Code-Switched Speech.

Astik Biswas, Febe de Wet, Ewald van der Westhuizen, Emre Yilmaz, Thomas Niesler

Proceedings of the Interspeech 2018, 2018

2017

An Architectural Scheme for Real-Time Multiple Users Beam Tracking Systems.

Hantao Xu, Hadi Aliakbarian, Ewald van der Westhuizen, Riaan Wolhuter, Guy A. E. Vandenbosch

IEEE Syst. J., 2017

Synthesising isiZulu-English Code-Switch Bigrams Using Word Embeddings.

Ewald van der Westhuizen, Thomas Niesler

Proceedings of the Interspeech 2017, 2017

2016

Automatic Speech Recognition of English-isiZulu Code-switched Speech from South African Soap Operas.

Ewald van der Westhuizen, Thomas Niesler

Proceedings of the SLTU-2016, 2016

The Effect of Postlexical Deletion on Automatic Speech Recognition in Fast Spontaneously Spoken Zulu.

Ewald van der Westhuizen, Thomas Niesler

Proceedings of the Interspeech 2016, 2016