Semi-supervised acoustic and language model training for English-isiZulu code-switched speech recognition Astik Biswas author Febe De Wet author Ewald Van der westhuizen author Thomas Niesler author 2020-05 text eng Proceedings of the 4th Workshop on Computational Approaches to Code Switching Thamar Solorio editor Monojit Choudhury editor Kalika Bali editor Sunayana Sitaram editor Amitava Das editor Mona Diab editor European Language Resources Association Marseille, France conference publication 979-10-95546-66-5 biswas-etal-2020-semi https://aclanthology.org/2020.calcs-1.7/ 2020-05 52 56